How are oxygen and carbon dioxide transport in blood
Answers
Oxygen enters the blood from the lungs and carbon dioxide is expelled out of the blood into the lungs. The blood serves to transport both gases. Oxygen is carried to the cells. Carbon dioxide is carried away from the cells.
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Carbon dioxide is transported via veins in the body and mostly veins take the carbon dioxide away from the body cells to join the biggest vein called vena cava which ends up in the right chamber of the heart. All the veins’ functions is to transport wastes like carbon dioxide from the cells to the heart except from the vein which leaves the lungs which is called pulmonary vein. As we know that we get our required amount of oxygen from the lungs,pulmonary vein is the only vein that carries the oxygenated blood. Our heart gets the oxygen to transport from the lungs across pulmonary vein.