Which of the following statements is true about the structure of the cell membrane? the two layers of the plasma membrane are identical. the plasma membrane is a rigid structure. the proteins on the two layers are not identical. proteins are found only on one surface of the membrane.

the fossil record provides evidence of a common ancestor to many species.

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.