Why Do We Need Oxygen?

Answer

We need oxygen because the main use of oxygen in humans and aerobic organisms is to permit the body to build energy. Energy is required as a host of processes in the body like movement, growth, repair, nerve conduction. Energy can be added from carbohydrates fats as well as amino acids but they need to be oxidised.
Q&A Related to "Why Do We Need Oxygen"
first of all please make your question clear here divers means several well it is required to stay alive
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Purpose. Carbohydrates provide the body with energy. Whether it's swimming, running, jumping, or even something as simple as breathing, the body needs carbohydrates to keep going.
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Oxygen is necessary for all the body's vital functions. The average adult consumes
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Oxygen is the final electron recipient at the end of the electron transport chain in aerobic cellular respiration. We use aerobic cellular respiration to produce more ATP per glucose
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2 Additional Answers
We human beings and living creatures need oxygen for survival. It is vital to our ability to breathe. It is vital to all creatures on this planet.
We need oxygen to live. In other words our bodies need oxygen to carry on the processes that enable us to do what we do everyday. The red blood cells carry oxygen to all parts of our bodies. Without this oxygen our bodies could not metabolize food and do other important functions.
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