The membrane is made of a double layer of phospholipids and what organic compound spread throughout the membrane to
assist moving molecules across the membrane that cannot
easily pass through on their own?
a Carbohydrates
b Proteins
C Nucleic Acids

i would say it is

a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves

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.