The contraction of the piloerector muscles (pilomotor muscle or arrector pili) in humans causes ________
A) generation of heat to raise the body temperature
B) hairs to stand on end to make the individual appear bigger
C) hairs to stand on end with no apparent function
D) increased ability to feel pain
E) hairs to stand on end, trapping an insulating layer of warm air next to the skin
C
You might also like to view...
Which of the following describes the epidermis?
A. Protects the skin against mechanical injury B. Keeps out harmful chemicals and pathogens C. Retains water in deeper skin layers D. All of the answer choices are correct
A lever consists of
A) a tendon and a muscle. B) a rigid structure. C) a fulcrum. D) a bone, a muscle, and a nerve. E) a rigid structure and a fulcrum.
What does the enzyme renin do?
a) it converts angiotensin I to angiotensin II b) it converts angiotensinogen to angiotensin I
If a person has a backache and asks a friend to massage the areas likely to be causing the problem, what muscles and anatomical features would be massaged, and what anatomical landmarks could be located in order to help find the muscles?
What will be an ideal response?