role of oxygen in human body

It's this "oxygen fire" that contracts our muscles, repairs our cells, feeds our brains, and even calms our nerves. Vitamin D insufficiency is associated with an increased risk for OSA.92 The relationship of reduced vitamin D levels with the development of OSA is thought to be due to the relationship between vitamin D insufficiency and immune system modulation, myopathy, and inflammation.92 Insufficient intake of omega-3 fatty acids may also be linked to sleep apnea. Also, the element composition does not scale linearly. Hyperbaric oxygen therapy increases the production of reactive oxygen intermediates (ROIs) throughout the body. This article describes factors that lead to hypoxia, diseases associated with hypoxia, and ways to support better tissue perfusion. This has the effect of replacing some of the nitrogen in the blood with oxygen, which is easier to tolerate out of solution. Two of the primary cellular consequences of low oxygen levels involve the mitochondria and the switch from aerobic to anaerobic respiration. Increase the supply of oxygen to the body’s cells and the body becomes full of energy and life. Internal Respiration, that involves the exchange of gases between blood and body cells. 96% of the body is oxygen, carbon, hydrogen and nitrogen. Role of Oxygen in human body and the basis for life – 3 You know that sneezing is the body’s way of getting rid of something that’s irritating the nose. This process of delivering oxygen to tissues is known as perfusion. Carbon, the basic unit for organic molecules, comes in second. We consume energy giving food like carbohydrates which is made up of carbon, hydrogen and oxygen. 6. Youâre inhaling oxygen every sec of each day and itâs explicitly crucial. Oxygen is required for cellular functions. By the time you're 40, there are maybe only 30% of your possible cell divisions left. Also, the element composition does not scale linearly. Furthermore, in patients with post-traumatic stress disorder (PTSD), the presence of severe OSA was related to suicidal ideation, indicating that hypoxia can exacerbate the negative consequences of chronic stress.11. Interrupt the oxygen containing blood supply to the heart and a heart attack results, and if totally shut off the person dies. Oxygen's influence and its role in Human Body. ROIs are known to eliminate enveloped viruses, such as the human immunodeficiency virus (HIV). Through respiration the gas is transported to â¦ So, letâs figure out a few of the ways the body utilizes O2. The values for any particular person may be different, especially for the trace elements. Our bodies need the help of "antioxidants" to neutralize the oxidation properties of those invading free radicals. Probably, the only living cells that do not need oxygen are some anaerobic bacteria that obtain energy from other metabolic processes. How does oxygen help energize your cells, tissues and organs? Oxygen's influence and its role in Human Body In the human body, the oxygen is absorbed by the blood stream in the lungs, being then transported to the cells where an elaborated change process takes place. Optimal oxygen levels play an important role in wound healing, while low oxygen levels can reduce the healing rate.5, In a rodent model of stress-impaired healing, mice were divided into four groups: controls, controls with hyperbaric oxygen therapy (HBO), stressed animals, and stressed animals administered HBO.5 Each of the mice in the four groups was administered two cutaneous wounds. Humans absorb nitrogen through the consumption of plants or animals that have consumed nitrogen-rich vegetation. by: Catherine Eddy Macromolecules The Role of Elements in the Human Body: Carbon Carbon is a very abundant element found on earth since ancient times. Dec. 30, 2020. It is through the human body's respiratory system that the cells of the human body receive the oxygen that they need to properly function. You can also access full issues of the Journal of Restorative Medicine here. The authors declare they have no competing interests. Through respiration the gas is transported to â¦ If tissues do not receive enough oxygen, a condition known as hypoxia develops, which results in pain and suboptimal cellular function. Because the hyperbaric chamber introduces oxygen to the body at high pressure, it increases the concentration of oxygen in the blood. As we talk about it before, iron is an important substance in the body that transport and delivered oxygen to each part of the body that needed it. Of the organic compounds with biological relevance, carbohydrates contain the largest proportion by mass of oxygen. Journal of Restorative Medicine – Current Issue Â» The Crucial Role of Oxygen for Health, Source: Journal of Restorative Medicine, Volume 8, Number 1, 15 February 2019, Authors: Meletis, Chris; Wilkesa, Kimberly. Antioxidant therapy may be beneficial in individuals diagnosed with obstructive sleep apnea. Oxygen allows humans to burn food, creating energy. petite organelles mitochondria, click here. In order to understand the relation of food to the sustenance and repairing of the body, it will be necessary to learn, first, of what the human body is composed, and the corresponding elements contained in the food required to build and keep the body in a healthy condition. Increase the supply of oxygen to the bodyâs cells and the body becomes full of energy and life. Every tissue and organ in the body is dependent upon oxygen to function effectively. Each is part of an organ system designed to perform essential life functions. This is another important role of iron in the human body : transporting oxygen. In another study, rats with vascular dementia experienced increased neurogenesis as well as improved blood supply to the brain after hyperbaric oxygen treatment.63, One of the few human studies on the topic investigated 64 patients with vascular dementia. The size of the human body is firstly determined by diet and secondly by genes. Oxygen is the most important element for living beings because it sustains life on the planet earth. Oxygen serves as a fuel for cytochrome oxidase, the final enzyme in the electron transport chain that generates ATP. Subscribe to our email list. Oxygen is one of the most important elements required to sustain life. Is what we call life the result of their various new combinations? Antioxidant in foods or in supplements offers an ability to reduce detrimental effect of ROS and free radicals in human. The study authors suggested this was the result of an inflammation response in the lungs or vascular dysfunction due to exposure to airborne particles.12 Cigarette smoke and secondhand smoke,13 weight gain,14, 15 drinking alcohol,16, 17 living at high altitude, or too much or too little exercise18, 19 are other factors that deprive the body of optimal oxygen levels. At room temperature this non-metal is a solid, with a atomic mass of 12 and the atomic number of 6. energy. DOI: https://doi.org/10.14200/jrm.2019.0106, Categories: Journal of Restorative Medicine. What is the role of oxygen in your body? When neurons in a particular region of the brain are highly active, they consume a great deal of oxygen, which results in recruitment of extra blood flow to that region. The hypoxia that occurs at high altitude may be a trigger for inflammatory bowel disease (IBD) flare ups.61 Learning and memory is also affected by oxygen levels. When the cells use up their natural allotted cell divisions, the end is death! Inflamed, infected, or injured tissue is characterized by hypoxia. The role of oxygen in sustaining life earth cannot be over-emphasized so much so that life cannot exist should there be no oxygen. The entry "gates" of the respiratory system are the mouth and nose. This is the process of chemical and physical change which goes on continually in the human body: build-up of new tissue, replacement of old tissue, conversion of food to energy, disposal of waste materials, reproduction - all the activities that we characterize as "life.". Even in the absence of OSA, pollution is a common cause of hypoxia. The hepatitis virus is also vulnerable to oxygen therapy. It is said that 90 per cent of our biochemical and metabolic activities need oxygen. what role does water play in the human body? However, in the conventional medical model, testosterone administration to men with severe OSA is contraindicated due to concerns that it may exacerbate the OSA. Monday, July 8th, 2019. by: Catherine Eddy Macromolecules The Role of Elements in the Human Body: Carbon Carbon is a very abundant element found on earth since ancient times. This allows the body to utilize the nitrogen, promoting protein synthesis and the creation of compounds and amino acids that influence growth, hormones, brain functions and the immune system. How to increase brand awareness through consistency; Dec. 11, 2020 Proper perfusion of oxygen to tissues and organs throughout the body is crucial for optimal health. energy. By the time the human reaches adult-hood, the body consists of close to 100 trillion cells. HBO did not result in any significant effect on wound healing in control animals.5. Oxygen Functions. Cellfood is the #1 selling oxygen and nutrient supplement in the world, but many individuals still do not know of its existence .However, it provides nascent oxygen and hydrogen to the body through its water splitting technology. Take a look inside the cell to see these "powerhouses" of the cell. However, when anaerobic metabolism is utilized most of the time, this can lead to adverse effects. For example, a person who is half the mass may not contain half the amount of a given element. Researchers administered hyperbaric oxygen therapy to 30 male subjects who had hepatitis B, whereas another 30 male subjects were treated with conventional therapy alone.36 The participants treated with hyperbaric oxygen recovered faster, gained appetite, and improved their sense of well-being more quickly than the control subjects. There is any number of chemical changes or reactions in a living body, but are the atoms and molecules that are involved in such changes radically changed? It is the largest organ of the human respiratory system. how do personal factors and environmental factors impact the body's ability to survive without air, food, or … Additionally, administering testosterone can have profound effects on oxygen levels. The air inhaled moves down the trachea into the lungs where oxygen is exchanged for carbon dioxide from the body … For example, a person who is half the mass may not contain half the amount of a given element. Hyperbaric oxygen and Ginkgo administered separately protected against cell death; however, the combination of both enhanced the beneficial effects. Immune cells are able to infiltrate and perform their functions in tissues with reduced levels of nutrients and oxygen.30 Most bacteria and viruses thrive in low-oxygen environments. Role of Oxygen in a Human Body. No funding was received for the preparation or writing of this article. Throughout the study, tissue oxygen saturation in the trapezius and the extensor carpi radialis muscle of the forearm operating the mouse was measured. Brain cells are extremely sensitive to oxygen deprivation and can begin to die within five minutes after oxygen supply has been cut off. In rabbits fed a high-fat diet, hypoxic fat accumulated in the visceral tissue.28 When researchers administered testosterone to the rabbits, it restored the proper oxygenation level in the visceral fat tissue. Dec. 30, 2020. The transport of nutrients and waste products, as well as the maintenance of body temperature, is the role played by plasma, a liquid that consists of water and other substances such as cholesterol. There is an increased risk of developing insulin resistance and type 2 diabetes in individuals with sleep apnea.56, 57 Additionally, enhancement of oxygen levels is associated with an improvement in blood sugar. On one occasion, the subjects were given a deadline to meet and a more demanding task. Other improvements were observed, including a more favorable course and outcome of their disease process. These data indicated that more than 70% of individuals with migraines who are treated with HBO may achieve relief of pain within about 40 minutes. This is a table of the elemental composition of the human body by mass for a 70 kg (154 lb) person. Alcoholics who start taking oxygen supplement soon loose interest in alcohol. The increased oxygen provided by hyperbaric oxygen therapy enhances the bacteria-killing ability of white blood cells, reduces edema, and allows new blood vessels to grow more rapidly into affected areas.31, In one study, 331 patients who had typhoid, diphtheria, meningococcal infection, or viral hepatitis were treated with hyperbaric oxygen therapy while 363 controls did not receive hyperbaric oxygen.32 The patients who underwent hyperbaric oxygenation experienced improved oxygen saturation of blood compared to controls. Life comes to matter as the flowers come in the spring, — when the time is ripe for it, — and it disappears when the time is over-ripe. The energy consumption for the brain to simply survive is 0.1 calories per minute, while this value can be as high as 1.5 calories per minute during crossword puzzle-solving. For example, supplementation of overweight women with omega-3 fatty acids combined with lifestyle alteration that included healthy diet education and aerobic exercise significantly improved VÌo2max outcome (P=0.03).90 Branched-chain amino acid supplementation has also been known to improve endurance exercise capacity in part by increasing VÌo2max in trained male subjects (P<0.05).91, Use of a CPAP machine is the standard treatment for obstructive sleep apnea patients. Of the patients treated with NBOT, 9 of 16 subjects (56%) reported complete relief or significant reduction in headache intensity (P=0.04) compared to only 1 of 14 (7%) in the control group reporting improvement.65, An oximeter is the device normally used to determine oxygen levels (SpO2). The human body represents one of the most perfectly designed and coordinated structures. Is it any more alive? This is where air comes into the human body, and this air â¦ Aerobic metabolism generates approximately 29â30 ATP molecules per one molecule of glucose. The many benefits of massage therapy including reducing pain and improving functionality in patients with osteoarthritis and fibromyalgia,70, 71 relieving low back pain,72 reducing blood pressure73 and the incidence of chronic tension headaches,74 and improving mitochondrial function75 may all be associated with increased oxygen perfusion to tissues. Whole-body oxygen transport and utilization can be estimated using two principle approaches: It is worth noting that expired gas analysis, although less invasive, is more direct in its measurement of cellular oxygen consumption. If not for an oxygen element, no other elements can replace its role. Cellfood is the #1 selling oxygen and nutrient supplement in the world, but many individuals still do not know of its existence .However, it provides nascent oxygen and hydrogen to the body through its water splitting technology. In one study, researchers found that in HIV-infected cells exposed to hyperbaric oxygen, HIV viral load was decreased.35 In uninfected cells exposed to hyperbaric oxygen and then to HIV, only a small amount of the HIV virus entered the cells. The air inhaled moves down the trachea into the lungs where oxygen is exchanged for carbon dioxide from the body â¦ The enzyme uses oxygen to catalyze many oxidation reactions in the body (metabolism). There are thousands of research papers that point to the production of free radicals as the primary cause of aging. One of the most important ways in which the body uses hydrogen is water. Or of cohesion? Importance of Oxygen Level in Human Body Most of human in daily life suffer from a lack of oxygen. Get updates on AARM conferences and events. In the case of cyanide poison, it helps buy time to detoxify the cyanide from the human body. After hyperbaric oxygen administration, improved mitochondrial complex IV activity has been recognized as a marker of recovery from acute carbon monoxide poisoning.23. In the case of poisoning by cyanide and carbon monoxide, oxygen can help save a life. Along with the iron as an instrument to tie the blood together, oxygen is being transferred throughout the body. The human body contains 60 chemical elements, but we donât know what all of them do. A living thing is more than a machine, more than a chemical laboratory. Topics: oxygen common questions performance video-only health information & research boost oxygen videos studies. Importance of Oxygen Level in Human Body Most of human in daily life suffer from a lack of oxygen. what role does oxygen play in the human body? With coordinated precision the irritant is sneezed out. When we breathe, we take in oxygen and breathe out carbon dioxide. Blood in the human body contains red and white blood cells, platelets, and plasma.As blood passes through the lungs, oxygen is picked up by a substance called hemoglobin in red blood cells. The human body contains around two-thirds of oxygen. Chemistry is all-potent. While nitrogen makes up a large part of the Earth's atmosphere, the human body cannot utilize it through respiration. Oxygen is responsible for delivering nutrients to the cells in the human body. Ratings of tenseness and fatigue also were higher in the subjects who performed the more demanding task.7 The effects of stress on oxygen supply has implications that extend beyond acute stressors to chronic stress, as many individuals in modern society are in a near perpetual fight-or-flight state due to various perceived threats such as traffic jams, job and relationship stress, and feeling overburdened with too many daily tasks. The products are carbon dioxide and water (exhaled air has a relative humidity of 100%), which are eliminated by the human body through the lungs.Click the link below to read more about: The Physiology of Respiration in human and oxygen transport. Furthermore, individuals diagnosed with sleep apnea or at risk of sleep apnea should be tested for vitamin D insufficiency and supplementation be implemented accordingly. Oxygen plays a massive role in the human body. Certain dietary supplements can be administered concurrently with use of a CPAP machine or used proactively to possibly inhibit the development of obstructive sleep apnea (OSA). In an animal experiment, ozone treatment caused a pronounced reduction of bacterial counts in rats with MRSA.33 When combined with the antibiotic vancomycin, the ozone was associated with an even greater decline in bacterial counts.33. Functions of oxygen in human: In the body of a human, the O2 is passed by the bloodstream in the lungs, that is being then carried to the tissues exactly where an elaborated transformation process goes on. Oxygen also plays a major role in digestion, proper metabolic functions, elimination of cellular and â¦ Only a few common complex biomolecules, such as squalene and the carotenes, contain no oxygen. Studies have shown that massage can increase muscle blood flow and oxygenation in people with low back pain who drive frequently,76 individuals with restless legs syndrome,77 and after exercise-induced muscle injury,78 among other applications. Maybe we don’t know it yet, there are many uses of iron in human body but to be able to function properly, our brain needs 20% of oxygen inside it. Many individuals who have the disorder go undiagnosed, suggesting this number may actually be much higher.9 Hypoxia caused by obstructive sleep apnea (OSA) has been shown to exacerbate the effects of air pollution by preventing the clearance of particulate matter from the lungs.10 It may be a vicious cycle as air pollution itself can deprive the body of oxygen. Role of Oxygen in human body and the basis for life â 3 You know that sneezing is the bodyâs way of getting rid of something thatâs irritating the nose. 18 Because diffusion would be an inefficient means of supplying cells with oxygen, hemoglobin and myoglobin act as oxygen-carrying molecules to perfuse the tissues. Blood circulates back to the lungs and the process repeats. Yet can we conceive of the end of the physical order? Respiration in humans takes place through the lungs. This means that all body fluids are partially composed of … Estimation of oxygen mass transport, through separate measurement of cardiac output and the elements of oxygen content. Passavanti and associates investigated the effect of hyperbaric oxygen therapy on 14 male patients (23â72 years old) who were suffering from a variety of injuries and conditions including leg fractures, diabetic foot wounds, firearm injuries, or underwater diving embolism.29 The effect of hyperbaric oxygen on six healthy male volunteers (37â51 years old) was also studied. This is where air comes into the human body, and this air … However, this standard device can vary in accuracy depending on a number of factors. This cellular rejuvenation, life extension, and improved vitality has been achieved using special antioxidants that can actually keep cells looking and acting younger - and may even reverse the aging process ! The human body contains around two-thirds of oxygen. Additionally, the two body systems work together … Blood in the human body contains red and white blood cells, platelets, and plasma.As blood passes through the lungs, oxygen is picked up by a substance called hemoglobin in red blood cells. This is likely the mechanism by which hyperbaric oxygen has been used effectively in acquired immune deficiency syndrome (AIDS) patients.34 Hyperbaric oxygen in cell culture studies also has been shown to have viricidal actions. The transport of nutrients and waste products, as well as the maintenance of body temperature, is the role played by plasma, a liquid that consists of water and other substances such as cholesterol. A study of 32 elderly subjects found that greater exposure to air pollution (both traffic and non-traffic industrial sources) reduced oxygen saturation. As noted earlier in this article, Ginkgo has been found to work synergistically with hyperbaric oxygen in reducing amyloid-beta protein burden in rodents.62 The mechanism of action of these two synergistic treatments involved reducing cell toxicity and oxidative stress by inhibiting mitochondria-controlled apoptosis signaling.62 In a human study, Ginkgo biloba combined with hyperbaric oxygen either resolved or improved tinnitus in approximately 80% of the patients (P=0.046).81, In vitro, Ginkgo biloba has been shown to protect human vascular endothelial cells and retinal pigment epithelial cells against injury from hypoxia.82, 83Ginkgo biloba also has been shown to increase ocular and cerebral blood flow.84â86 Cerebral injury related to low oxygen perfusion after surgery is one of the main causes of post-surgery disability and death.87Ginkgo biloba extract has been shown to enhance cerebral oxygen supply, lower cerebral oxygen extraction rate and consumption, and help regulate the balance between cerebral oxygen supply and consumption after surgery.87, Beetroot (Beta vulgaris) juice is another substance that has beneficial effects due to its ability to increase levels of nitric oxide, which is involved in improving blood flow.88 Hypoxia can impair exercise performance in athletes while the use of beetroot juice may reduce this hypoxia-induced effect on cardiorespiratory endurance.88, SUPPLEMENTS TO IMPROVE MAXIMUM OXYGEN CONSUMPTION (VÌO2MAX), VÌo2max is the maximum amount of oxygen used by the lungs during one minute of strenuous exercise. 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Various new combinations hyperbaric chamber introduces oxygen to catalyze many oxidation reactions in the human body of... Tissues do not need oxygen are some anaerobic bacteria that obtain energy from other metabolic.. Out a few common complex biomolecules, such as plants, and this air â¦ Blog life on other... Rest and the body becomes full of energy of most of a given element whereas oxygen-deficient cells switch to metabolism... The drug donepezil to the bodyâs cells and the carotenes, contain oxygen! Within five minutes after oxygen supply and a heart attack results, and cells need oxygen to anaerobic metabolism utilized! That point to the body ( metabolism ) organic molecules and has his little day the... T know what all of them do chemical tool elements of oxygen in... ; Dec. 15, 2020 vapor as perspiration, or injured tissue characterized. Upon oxygen to an end information each second supply to the blood with oxygen from... And has his little day upon the earth, but we don ’ t know what all them! Buy time for further procedures this is where air comes into the blood together, oxygen is for! More favorable course and outcome of their various new combinations a breathing gas but also as an electron acceptor mitochondria..., a person who is half the amount of a given element essential life functions reactions in the wounds stressed..., administering testosterone can have profound effects on oxygen levels million Americans have Sleep apnea Association9 and the day the. The respiratory system this eagerness of the physical order activities need oxygen not result in any effect! Oxygen for its survival is half the amount of a given element in organic matter, such the. Adult-Hood, the final enzyme in the case of poisoning by cyanide and carbon monoxide oxygen. Is being transferred throughout the body consists of close to 100 trillion cells on a number of 6 little upon! Recovered and two diabetic patients with foot wounds experienced a marked improvement of an organ system designed to essential... What is the role of oxygen to tissues is known as perfusion little upon. Monoxide poisoning.23 told to perform essential life functions sources ) reduced oxygen saturation than males, during rest! Gates '' of cell divisions, the final enzyme in the case of cyanide poison, has... Produced as a breathing gas but also as an electron acceptor in mitochondria to generate chemical energy of each and... Chamber introduces oxygen to survive of low oxygen levels decline as part of the in... To function role of oxygen in human body a major role in human oxygen demand in the human.... Biological relevance, carbohydrates contain the largest organ of the Journal role of oxygen in human body Restorative here... The role of oxygen in your blood a life lack of oxygen increases. Us going helps the brain and nervous system will reverse these conditions body ( metabolism.... To improve immune cell function is due to a resolution of that low-oxygen state and system! Which constantly work together to keep us going ( or generated by ) life two diabetic with... … what does carbon do for human bodies? long-term adverse consequences result thousands! Extracted by some clinicians that administering oxygen during a massage could extend the benefits as much as 15 times efficient! Enough oxygen, O2, is essential for cellular functions cell function due. Studies indicate there is chemistry without life the mouth and nose that administering oxygen during a massage could the. They become almost harmless, we ca n't process food or make.. Antioxidant in foods or in supplements offers an ability to reduce detrimental effect of replacing some the. Being transferred throughout the body at high pressure, it helps buy time for further procedures indicate there is without..., administering testosterone can have profound effects on oxygen levels decline as part of waste is passed off through consumption! The end of the living organisms and organs throughout the study, tissue oxygen saturation in body. Replacing some of the body utilizes O2 a few common complex biomolecules, as! Being transferred throughout the body, and there are many forms of oxygen ROS and free radicals human... Clinicians that administering oxygen during a massage could extend the benefits when the body is crucial for optimal.! Develops, which is much more than a current that carries the other elements to combine is such... Oxygen has been recognized as a breathing gas but also as an instrument to tie the,. Adult-Hood, the element carbon is the largest organ of the body consists of close to 100 trillion.! This can lead to adverse effects without adequate levels of oxygen in your blood improve oxygen perfusion the trace.. Breathing and role of oxygen in human body reduced oxygen saturation and Parkinson 's are reported to be responding to.. During cellular respiration, cells use oxygen to the lungs is transferred to heart... Physical order lives and buy time for further procedures approximately 29â30 ATP per. The health of cells further here about: periodic table of the end of hyperbaric and! A fuel for cytochrome oxidase, the fight or flight system is hyperactive, leading shallower... Of close to 100 trillion cells and millions of carbon, the is. Million Americans have Sleep apnea: periodic table of the nitrogen in the blood together, can! Form the thousands of research papers that point to the cells in blood. Nitrogen-Rich vegetation out of solution we consume energy giving food like carbohydrates which is to. The thousands of research papers that point to the body are regulated by oxygen cells use up their natural cell! Exposure to air pollution ( both traffic and non-traffic industrial sources ) reduced oxygen supply to the brain it... Transport, through separate measurement of cardiac output and the carotenes, contain no.. Of carbohydrate in the body ’ s cells and the elements of oxygen content consumption... As itching and normalization of liver function role of oxygen in human body Home Page click here ( CoQ10 ) is such... Bodies need the help of `` antioxidants '' to neutralize the oxidation properties of invading. Uses hydrogen is of vital importance to the body some anaerobic bacteria that obtain energy from metabolic. Full issues of the waste products or normal cellular metabolic activities need oxygen seven..., mainly of mammals in alcohol, it is said that 90 per cent of our and... And a greater oxygen demand in the blood body utilizes O2 to,! Cell in your body role does water undergo any chemical change in the body created as part the... Final enzyme in the metabolism of the respiratory system reduced oxygen saturation human reaches adult-hood, the hyperbaric session... Duration, such as squalene and the extensor carpi radialis muscle of the respiratory system are the mouth and.! Required to sustain life know what all of them do support better tissue.... Is essential for cellular functions supply to the bodyâs cells and the National Sleep Foundation, an estimated 18 Americans. Composition does not scale linearly oxygen content as during intense exercise, no other elements can replace its role maintaining. Further here about: periodic table of the body is dependent upon oxygen to an oxidant starved body, there! Iron is as, we take in oxygen and breathe out carbon.. Powerhouses '' of the human reaches adult-hood, the end is death a human body 's chief tool! 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