Question

explain formation of blood ?

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Answer 1

Answer:

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Explanation:

The process of making blood cells is called hematopoiesis . Blood cells are made in the bone marrow . ... These blood-forming stem cells can grow into all 3 types of blood cells – red cells, white cells and platelets. These blood-forming stem cells make copies of themselves, and they also produce mature blood cells.

Answer 2

Answer:

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blood cell formation, also called hematopoiesis or hemopoiesis, continuous process by which the cellular constituents of blood are replenished as needed. Blood cells are divided into three groups: the red blood cells (erythrocytes), the white blood cells (leukocytes), and the blood platelets (thrombocytes).

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