1 Explain how the structure of each of the following relates to its function.
a Compact bone
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b Spongy bone is found on the inside of bone deep to compact bone, it somewhat
resembles a sponge
c A long bone are longer than they are wide and include the bones of the upper
and lower limbs, excluding the ankle and wrist bones.
2 A bone tumor disrupts the normal structure of osteons, replacing the organized rings with disorganized, irregular
masses of bone. How will this affect the ability of a bone to perform its functions?
3 The maintenance of healthy bone depends upon the balance of osteoblast and osteoclast activity. Predict what
would happen if
a osteoblast activity exceeded osteoclast activity.
b osteoclast activity exceeded osteoblast activity.