Question

What happens to the oxygen you breathe in during cellular respiration?

Answer 1

The blood is passed from the right atrium into the right ventricle, then it passes through the pulmonary arteries to the lungs where the blood cells pick up oxygen.

Step-by-step explanation:

Answer 2

Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. ... The opposite takes place in the cells where the blood releases oxygen and picks up carbon dioxide.