If you have a P-O2 of 100 mm Hg in the alveoli and a P-O2 of 40 mm Hg in the blood, then:
Group of answer choices
oxygen moves from the blood to the lungs
carbon dioxide moves from the blood to the lungs
carbon dioxide moves from the lungs to the blood
oxygen moves from the lungs to the blood
water moves from the lungs to the blood