The vasa vasorum
A. are incompetent valves in the large veins.
B. are special capillaries that supply nutrients to the walls of arteries and veins.
C. are the blood vessels that supply blood to the vas deferens.
D. are blood vessels that directly connect arteries to veins.
E. supply blood to skeletal muscle.
B
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Cerebrospinal fluid is formed by the
A. septum pellucidum. B. arachnoid granulation. C. arachnoid villi. D. mesencephalic aqueduct. E. choroid plexus.
The two lateral ventricles are separated by the _________________________.
Fill in the blank(s) with the appropriate word(s).
In this closeup image of a lung, what structure does number 3 indicate?
A. Respiratory bronchiole B. Alveolar duct C. Alveolus D. Terminal bronchiole E. Bronchiole
__________ disease is a condition caused by hyposecretion of glucocorticoids or mineralocorticoids. Symptoms include low resistance to stress, electrolyte imbalances, and an unusual darkening of the skin.
Fill in the blank(s) with the appropriate word(s).