Question

What role does oxygen play in the human body ?

Answer 1

Oxygen is important to every cell in your body. Oxygen, through a process called oxidation, chemically changes food and liquid into energy. It's this "oxygen fire" that contracts our muscles, repairs our cells, feeds our brains, and even calms our nerves. hope this you dude!!

Step-by-step explanation:

Answer 2

Your body uses oxygen to get energy out of the food you eat.

Step-by-step explanation:

Oygen breaks down sugar in cellular respiration