Question

What is bone marrow ? How is it important ?
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Answer 1

Answer:

Bone marrow is a spongy substance found in the center of the bones. It manufactures bone marrow stem cells and other substances, which in turn produce blood cells. Each type of blood cell made by the bone marrow has an important job. Red blood cells carry oxygen to tissues in the body.

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Answer 2

Answer:

Here is your answer mate...

Bone marrow is a spogy substance found in the centre of the bone.

It manufactures bone marrow steam cells and other substances, which which in turn produce blood cells.

Each type of blood cell made by bone marrow has an important job.

Red blood cells carry oxygen to tissues on the body.

I hope it will help you......