Help please! its cell functions

Hello There!!

Explanation:

I think it's the last option: cells use oxygen to release energy from food.

hope this helps,have a great day!!

~Pinky~

i just learnt this recently but i need to look through my notes again

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be