10.
The dermis, the second layer of skin, contains nerves, sweat glands,
_______________________, lymph vessels, and ________________________.
11.
The reticular layer of the dermis contains fibers which give the skin two important
qualities: the ability to _____________ and the ability to ___________________
after extension or contraction.
12.
List three functions of the subcutaneous layer of skin.
a. ____________________________________________________.
b. ____________________________________________________.
c.
____________________________________________________.
13.
The primary function of hair is __________________________.
14.
How many hairs does an average adult have? _____________________.
15.
How many hairs does an average adult have on the scalp? ________________.
16.
List the three parts of a hair shaft.
a. ____________________________________________________.
b. ____________________________________________________.
c.
____________________________________________________.
A person with white hair has mostly ______________in the cortex of the hair; a
17.
person with black hair has __________________ in the hair cortex.
18.
_______________ is a keratinized structure which grows out of a tubular canal
called a hair follicle.
MD0575
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