5. describe the difference between spongy bone and compact bone.

Compact bone is dense and composed of osteons, while spongy bone is less dense and made up of trabeculae. Blood vessels and nerves enter the bone through the nutrient foramina to nourish and innervate bones.

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Spongy bone is porus and found in animals, contains red bone marrow. Compact bone is much more dense, filled with organic ground substance and inorganic salts.

Explanation:

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