The visible part of the hair is called the:

a. hair follicle
b. hair shaft
c. hair papilla
d. none of the above


b. hair shaft

Anatomy & Physiology

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What keeps the HCN channels open?

A. G-proteins B. cAMP C. Ca2+ D. ATP

Anatomy & Physiology

The pelvic girdle consists of ________.

A. the sacrum, the coccyx, and the coxal bones B. the coxal bones C. the sacrum and the coxal bones D. the femurs and the coxal bones

Anatomy & Physiology

A nerve impulse travels fastest along ________ axons of ________ diameter.

A. unmyelinated, small B. myelinated, large C. unmyelinated, large D. myelinated, small

Anatomy & Physiology

Which nervous system makes up part of the autonomic nervous system?

a. parasympathetic nervous system b. sympathetic nervous system c. both the parasympathetic and sympathetic nervous systems

Anatomy & Physiology