Question

what role does oxygen play in animals and humans​

Answer 1

Explanation:

To understand that human beings (as well as other animals) perform the respiration process because we need air to breathe and because oxygen is ultimately the fuel that allows our cells to produce energy from the food we eat.

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Answer 2

Answer:

Explanation:

Answer=Animals need oxygen (O) to survive. In fact, all organisms need oxygen to complete the process to burning glucose for fuel. Even protists and plants need oxygen, but as you become more active, you need a lot of oxygen. That's where your respiratory system comes in.

perform the respiration process because we need air to breathe and because oxygen is ultimately the fuel that allows our cells to produce energy from the food we eat.