Question

why we need oxygen and what are benefits of oxygen ???​

Answer 1

Answer:

Oxygen is a gas that your body needs to work properly. Your cells need oxygen to make energy. Your lungs absorb oxygen from the air you breathe. The oxygen enters your blood from your lungs and travels to your organs and body tissues.

Answer 2

Answer:

we need oxygen for breadth

and

humans and animals all need oxygen

and plants also because the take carbon dioxide and give us oxygen please dear mark me as brainlist please I need your help