Question

1. Why do animals need to take in oxygen?​

Answer 1

Answer:

Animals need oxygen (O) to survive. In fact, all organisms need oxygen to complete the process to burning glucose for fuel. ... It's purpose is to bring oxygen into your body. One of the products of cellular respiration is carbon dioxide.

Explanation:

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Answer 2

Answer:

Animals need oxygen (O) to survive. In fact, all organisms need oxygen to complete the process to burning glucose for fuel. ... It's purpose is to bring oxygen into your body. One of the products of cellular respiration is carbon dioxide.