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LekaFEV [45]
3 years ago
5

Why do you need to breathe in oxygen?

Biology
2 answers:
Ira Lisetskai [31]3 years ago
4 0
C. O2 pulls electrons through the process of cell respiration
sveta [45]3 years ago
4 0

Answer:

a

Explanation:

Breathing in of oxygen is respiration. And respiration is the taken in of oxygen to break down glucose and energy in form of ATP as by product

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