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Q2: The arrector pili muscle is composed of
Q9: The importance of fontanels in the infant's
Q9: When acetylcholine binds to its receptors in
Q32: A _ is defined as a rapid
Q40: Astrocytes provide structural support in the nervous
Q53: What effect does an excess of calcium
Q71: Arteries carry blood away from the heart.
Q94: Sheaths of myelin produced by _ cells
Q98: Gaps in the myelin sheath are called<br>A)
Q101: In the central nervous system myelin is