Which of the following is true about muscle tone?
a. it is responsible for keeping the back and legs straight when you’re relaxed.
b. it decreases as you exercise more.
c. it increases with age.
d. it describes the relaxing of some muscles.

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.