Question

why we cannot leave without oxygen ?
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Answer 1

The cells in our bodies require a continual supply of oxygen to survive. In the body oxygen is reacts with glucose in a process cal aerobic respiration. This reaction is the source of the energy that powers the human body. Without oxygen this cannot occur and we would quickly run out of energy and die.

Answer 2

Answer:

Without oxygen, the human body can only survive for a few minutes before the biological processes that power its cells begin to fail. The electrical signals that power the neurons in the brain

Explanation:

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