Chapter 5: Integumentary System Flashcards
In what way does the skin assit in reglulation of body temperature?
A. Fat layers insulate body
B. Sweat glands allow for evaporation
C. Blood vessel can dilate or constrict to regulate the amount of blood which is being cooled or heated by outsidetemp
D. all above
D.
What is the major organ of the integumentary system?
Skin
List Five functions of the integumentary system.
1) Protection
2) Sensory
3) storage of nutrients
4) Excretion of salts, water
5) Produces vitamin D
List two distant layers of the skin.
Epidermis
Dermis
List five layers of the Epidermis from the superficial to the deepest layer
Stratum Corneum Stratum Lucidum Stratum Granulosum Stratum Spinosum Stratum Germinativum
Hypodermis is composed of what type of tissue?
Loose Connective Tissue
What Stratum layer carries out mitoses?
Stratum basal
Receptors in skin are what kind?
Pacinian Receptors
The dermis of skin is what kind of tissue?
Connective
Of four stratum which one is dead skin?
Stratum Corneum
The active growing part of hair is what?
The root
What would cause blood capillaries to cause the skin to fill with blood?
Hot Temperature
Mild sun burn is an example of what kind of burn?
1st degree
Skin cell produce vitamin D, why?
aids in abosorbtion of calcium and phosphorous from the gastrointestinal tract into the blood
Is sebum found in what kind of sweat gland?
Sebaceous gland
Are sebaceous also known as sudoriferous?
false
The body weight is what percent of ingegumentary system?
7%
What causes our skin to turn white??
reduction of Melanin
Is the hypodermic is below the epidermis?
False
The basal layer is made up of Keratin
False
The cornium is most superficial?
true
The cell production to death is about two months?
False
Melanoma is the most lethal of skin cancers?
False
Baldness is because of too much brushing or combing?
False
What colour does Keratin give the skin?
Yellow/orange
The more often you cut hair the faster it grows?
False
How does the skin function in communication?
Cell to cell recognition, skin has nerve receptors giving us sensations , skin responds to temperature and produces vitamin D in sun.
How does the skin function as a excretory organ?
By perspiration and sweat which releases waste products, water and salt
‘Explain how sweat gland and capillaries function in temperature regulation during exercise?
Sweat gland open pores and sweat in order to release heat and lowers temperature of skin which cools down capillaries and overalls lowers body temp.
