Question

64. Oxygen is mainly required for
A) Filling up the lungs
C) Production of energy currency
B) Filtration in Kidney
Stimulate neuronal conduction
D)​

Answer 1

Explanation:

It's answer is option (a) because after filling lungs,it goes to all the cells of every part of body.It is the initial step of accuring energy in body

Answer 2

oxygen is mainly used for breathing and for breaking down the food into tiny particles