What is the path of a red blood cell in circulatory system?
Path of a Red Blood Cell in the Circulatory System
Red blood cells (RBCs) are formed in the bone marrow. They are then released into the bloodstream and travel to the heart. From the heart, RBCs are pumped out to the arteries. The arteries carry oxygenated blood to the tissues.
In the tissues, RBCs release their oxygen to the cells. They then pick up carbon dioxide from the cells. The RBCs carry the carbon dioxide back to the heart. From the heart, the RBCs are pumped out to the lungs.
In the lungs, the RBCs release their carbon dioxide to the air. They then pick up oxygen from the air. The RBCs carry the oxygenated blood back to the heart. From the heart, the RBCs are pumped out to the arteries, and the cycle begins again.
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