Answer to Question #194246 in Cell Biology for Amel

Question #194246

Why does the rate at which oxygen leave the blood cell change?


1
Expert's answer
2021-05-18T04:56:02-0400

Red blood cells pick up oxygen in the lungs. Blood travels away from the heart and lungs through the arteries (ar-tuh-reez). Red blood cells drop off oxygen to the cells through tiny tubes called capillaries (cap-ill-air-ies). Blood then returns to the heart through the veins (vayns) and the cycle begins again.


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