Exam#3.1 Flashcards
5 functions of the integumentary system?
S.T.E.P.S
-Synthesis of Vit. D
-Temperature regulation
-Eliminates waste
-Protection
-Sensations
Top layer of skin?
Epidermis
Area where two layers of the skin meet?
Dermal-Epidermal
Thick underlying area of the skin?
Dermis
Lies below the dermis and creates a connection between the skin and structure?
Subcutaneous
What happens to the body when the body becomes too hot or too cold?
Too hot- vessels dilate causing sweating
Too cold- Vessels constrict causing goosebumps
List 3 types Of accessory/sub structures of skin: (H.S.N)
Hair
Special glands
Nails
The skin protects the Internal…
Organs
Organs are our first line of defense against what? P.C. 
Pathogens
Chemicals
Our skin protects us from excessive fluid loss and dehydration by what In our skin??
Keratin
The body is protected from damaging UV light by?
Melanin

When exposed to sun’s ultraviolet rays It manufacturers a molecule called?
Vitamin D
The vitamin D molecule is carried to what body parts by the way of blood?
Kidney and Liver
In the stratum germinativum Of the _______layer it contains ________which is a pigment produced by melanocytes? 
-Basal
-melanin
When exposed to________, The melanocyte secretes more melanin.
UV light
Birthmarks age spots and freckles result from clumps of what?
Melanin
4 Vital functions That vitamin D plays in our body: MAPD
-(M)aintaining calcium and phosphorus levels
-(A)bsorption of calcium
-(P)rotection against osteoporosis
-(D)ecrease risk for MS, heart disease, osteoporosis and depression