Question

all living things take in oxygen. what function does oxygen perform in the body​

Answer 1

Oxygen fuels our cells and helps provide the basic building blocks that our bodies need to survive. Our cells combine oxygen with nitrogen and hydrogen to produce various proteins that build new cells. When oxygen is combined with carbon and hydrogen, you get carbohydrates that provide energy to our bodies that is necessary for us to do what we live. Oxygen is also necessary for constructing replacement cells for our bodies. Every day, about seven hundred billion cells in our bodies wear out and must be replaced. Without oxygen, our bodies cannot build these new cells.

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