Question

Name three components of bones and describe their function.

Answer 1

The periosteum is a thin, dense membrane that contains nerves and blood vessels that nourish the bone.

Compact bone is smooth and dense. It is the hard part of the bone.

Cancellous bone looks like a sponge and protects the bone marrow.

Bone marrow is a thick jelly that makes blood cells.

Answer 2

1st the periostneum which is the outside of the bone and a thin but dense layer that has nerves and blood vessels

2nd compact bone. It is very smooth and very hard

3rd and lastly Cancellous, this looks a little like a sponge but much harder.