Question

what is the bone marrow

Answer 1

Bone marrow is the spongy tissue inside some of the bones in the body , including hip and thigh bones . Bone marrow contains immature cells called stem cells.
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Answer 2

Bone marrow is the spongy tissue inside some of the bones in the body , including hip and thigh bones . Bone marrow contains immature cells called stem cells.  mark me as brainlist