Hair grows from a tube-like pocket called a root sheath or a(n):

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Multiple Choice

Hair grows from a tube-like pocket called a root sheath or a(n):

Explanation:
Hair grows from a follicle, a tube-like pocket in the skin that houses the growing hair and its supporting structures. Inside this pocket, the hair bulb at the base is where cells divide to form the hair shaft, and the papilla at the very bottom provides blood and nutrients. The root sheath refers to the protective layers around the growing hair within this pocket, but the pocket itself is the follicle. The bulb is the growth end, not the pocket; the papilla nourishes the hair, not the pocket; Arrector Pili is the tiny muscle that makes hair stand up. So the correct term for the tube-like pocket is the follicle.

Hair grows from a follicle, a tube-like pocket in the skin that houses the growing hair and its supporting structures. Inside this pocket, the hair bulb at the base is where cells divide to form the hair shaft, and the papilla at the very bottom provides blood and nutrients. The root sheath refers to the protective layers around the growing hair within this pocket, but the pocket itself is the follicle. The bulb is the growth end, not the pocket; the papilla nourishes the hair, not the pocket; Arrector Pili is the tiny muscle that makes hair stand up. So the correct term for the tube-like pocket is the follicle.

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