PacSun USA Customer Service Phone Number. Phone Number of PacSun USA is +1 (714) 414-4909, (714) 414-4000 . Pacific Sunwear of California Incorporation is commonly known as PacSun. Pacsun is a leading company with Nationwide position in retailing industry.
type of sweat gland. in perspiration. When the body temperature rises, the sympathetic nervous system stimulates the eccrine sweat glands to secrete water to the skin surface, where it cools the body by evaporation. Thus, eccrine sweat is an important mechanism for temperature control.
describe the structure of eccrine glands. coiled, tubular glands that vary in size (largest in arm-pits and groin), active and present from birth, have sympathetic nerve fibers and blood capillaries, contain sweat pore. sweat pore. duct in eccrine glands that opens onto the surface of the skin.