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Dec 27, 2023

Draw a flow chart of the fate if RBC after 120days?

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Dec 27, 2023
Unfortunately, as a text-based AI, I am unable to draw a flow chart. However, I can describe the fate of red blood cells (RBCs) after 120 days:

1. After circulating in the bloodstream for approximately 120 days, RBCs become old and damaged.
2. The damaged RBCs are recognized by macrophages, which are specialized cells of the immune system.
3. Macrophages engulf and break down the old RBCs in a process called phagocytosis.
4. The breakdown products of RBCs, such as iron, heme, and globin, are recycled and reused by the body.
5. Iron is transported back to the bone marrow to be used in the production of new RBCs.
6. Heme is converted into biliverdin, which is further converted into bilirubin.
7. Bilirubin is released into the bloodstream and transported to the liver.
8. In the liver, bilirubin is conjugated and excreted into the bile.
9. The bile, containing bilirubin, is stored in the gallbladder and released into the small intestine during digestion.
10. In the small intestine, bilirubin is further metabolized by gut bacteria and eventually eliminated from the body through feces.

This is a simplified overview of the fate of RBCs after 120 days, and there may be additional details and processes involved in the actual physiological mechanisms.

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