in Skeletal System by

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Compact bone

Spongy bone

1.    Occurs in shaft of long bones.

Occurs in skull bones, vertebrates, ribs and epiphysis of long bones.

2.    Regular Haversian system is present

Regular Haversian system is absent.

3.    Marrow cavity is present

Marrow cavity is absent

4.    Yellow bone marrow is found

Red bone marrow is found

5.    Marrow stores fats.

Marrow forms RBCs and granular WBCs.