Integumentary (Skin) System 1 Flashcards
1
Q
Define the Integumentary System:
A
The largest body system
contains: Hair, Nails, glands
2
Q
How does the Skin protect the body:
A
Acts as a physical barrier to protect inner body structures
3
Q
How does the Skin provide sensation:
A
Nerve fibers in skin transmit info about temp, touch, pressure, pain
Nerves carry impulses to smooth muscle in skin
4
Q
How does the Skin provide thermal regulation:
A
blood vessels constrict to conserve heat (vasoconstriction)
Blood vessels dilate to release heat
vasadiliation
5
Q
How does Skin provide Vatiam D synthesis:
A
UV light activates a compound in the skin to make Vitamin D
6
Q
How does the Skin excrete:
A
Sweat glands excrete water, electrolytes, urea
