The small muscle attached to the hair is called the:

a. hair papilla
b. lanugo
c. arrector pili
d. hair root


c. arrector pili

Anatomy & Physiology

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Label B represents which of the following structures?


A) uterine tube
B) fornix
C) pubic symphysis
D) ovary
E) uterus

Anatomy & Physiology

The plasma membrane of a muscle fiber is referred to as the ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which of the following would increase the rate of diffusion across a cell membrane?

A) a decrease in the surface area of the membrane B) a decrease in membrane thickness C) a decrease in the concentration gradient D) a decrease in membrane permeability

Anatomy & Physiology

Determine the atomic number of a neutral atom with 3 shells and 6 electrons in its valence shell

What will be an ideal response?

Anatomy & Physiology