Question

Why do human cells need oxygen?

Answer 1

Answer:

to live

Explanation:

it lives fr days with itt

Answer 2

Answer:

Our body needs oxygen to obtain energy to fuel all our living processes. Carbon dioxide is a waste product of that process. The respiratory system, with its conduction and respiratory zones, brings air from the environment to the lungs and facilitates gas exchange both in the lungs and within the cells

Explanation:

thats all hehe