functions of integument Flashcards
The skin protects against the harmful rays of
the sun by means of the presence of what?
melanin pigments
what does melanin protects in the epidermis?
cell nuclei from UV radiation
Skin is also a permeability barrier against
excessive loss or uptake of water.
prevents dehydration
true or false: mechanical, chemical, & thermal insults is not a functions of skin?
false
protections against thermal and mechanical insults such as friction and against potential pathogens and other material
physical barriers
nitrogenous wastes
excretions
sweat is composed of what
nacl and water
yes or no: does skin also excrete small molecular weight metabolites?
yes
skin is also known as what because it has receptors and constantly monitors the environment?
largest sensory organ
what are the receptors?
touch, pressure, pain, and temperature
it means to maintain constant body temperature?
thermoregulation
what are the two structures that helps for insulating?
hair and adipose tissue
yes or no: does sweat excretion helps in regulating body temperature?
yes
what are the 2 functions of dense superficial microvasculature?
vasodilation (release of heat) and vasoconstriction (conserves heat)
metabolic function of skin?
vitamin D regulation
