Bones have a vascular supply that is

A) poor, therefore healing is very limited.
B) very extensive, including many arteries and veins branching throughout the bone.
C) very poor; bones are not living, so blood is not needed.
D) supplied simply by one or two arteries.
E) None of the answers are correct.


B) very extensive, including many arteries and veins branching throughout the bone.

Anatomy & Physiology

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During exhalation of the first breath, the lungs do not collapse completely again in a newborn infant because

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Naive T cells can synthesize antibodies.

Answer the following statement true (T) or false (F)

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What is the gastrin?

What will be an ideal response?

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During exercise, blood vessels in the active muscles become vasodilated. How will this vasodilation affect systemic vascular resistance? How will the change in systemic vascular resistance affect blood pressure?

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