What happens in the lungs? Select all that apply.
A. Blood releases oxygen into the air.
B. Blood mixes with the air.
C. Blood releases carbon dioxide into the air.
D. Blood absorbs oxygen from the air.
E. Blood absorbs carbon dioxide.
When inhaling air enters the lungs and oxygen from the air moves from the lungs to the blood. At the same time, carbon dioxide, a waste gas, moves from the blood to the lungs and is exhaled.