Blood is the red liquid and that circulates in the attires and venius of of humans or other vertebrates.

there are 206 bones.

A blood cell with a nucleus

there is marrow compact bone and spongy bone.

Plasma is a fluid that it is apart of the blood.

there are yellow and red marrow

The blood type of a child is A positive or B positive.

the yellow marrow stores fat

The types of blood are (ABO) and (RBC)

the bone injures are broken and fractured bones.