At the site of gas exchange in the lungs, where does the oxygen move?

O2 moves from the alveoli to the white blood cells.
O2 moves from the white blood cells to the alveoli.
O2 moves from the alveoli to the red blood cells.
O2 moves from the red blood cells to the alveoli.

the third one

Explanation:

Inside the air sacs, O2 moves across the thin walls of the capillaries (tiny blood vessels) into your blood. There a protein called hemoglobin in the red blood cells carries the O2 around your body.

The third one

Explanation:

O2 moves from the alveoli to the red blood cells.

the answer is the

its going to be mutualism cuz they both benefit from the relationship.

~batmans wife dun dun