The contraction of the arrector pili:

A.
pulls the follicle into a more perpendicular position in relation to the skin surface

B.
pulls the follicle into a more oblique angle in relation to the skin surface


A

Anatomy & Physiology

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About 90 percent of the cells in the CNS are ____________________ cells

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An unmyelinated axon will conduct action potentials more ___ than a myelinated axon.

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