How do all multicellular organisms begin?
a. as complex organisms
b. as a single cell
c. by expanding the size of their cells
d. by creating all their cells at one time

the most logical answer would be a

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.