integumentary system Flashcards
what is the multilayered sheath of tissues and associated cells and extracellular structural and functional components that completely enclose the interior of the body
the integument (integumentary system)
what does the integumentary system include
skin, nails and hair
what layer of the integumentary system is exposed to the external environment and forms the external surface of the body
superficial layer
what are the two most general primary functions of the integumentary system
provide physical containment of the internal body contents
provide physical and biochemical barrier to elements of the external environment
most of the secondary functions of the integumentary system can be categorized as what
homeostatic functions —provide mechanisms to maintain controlled and stable yet adaptable internal environment that is distinctly separate from the external environment
what are the functions of the integumentary system
defensive barrier functions
thermoregulation
sweat and evaporative heat loss
vasoconstriction and dilation
somatosensory functions
excretory functions
vitamin d synthesis
