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What are platelets, and where do they come from?

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Final answer:

Platelets are small cell fragments involved in blood clotting. They are formed from megakaryocytes and help form clots to prevent blood loss and bacterial entry.

Step-by-step explanation:

Platelets are very small cell fragments involved in blood clotting. They are formed from large cells called megakaryocytes in the bone marrow. When a blood vessel gets cut, platelets stick to the injured area and release clotting factors, which cause proteins to form over the wound and form a clot. Platelets are important in preventing blood loss and stopping bacteria from entering the body.

User Gursel Koca
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