Question

what is bone marrow ?​

Answer 1

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Bone Marrow :- The soft blood-forming tissue that fills the cavities of bones and contains fat and immature and mature blood cells, including white blood cells, red blood cells, and platelets.

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Answer 2

Bones are strong but light in weight as they are hollow from inside. Long bones contain a soft substance called the bone marrow. The bone marrow produces red blood cells in our body.

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