Skin
Integument  Body’s _________________
Body’s ________ organ (over ___________)
Skin Functions
 Prevents _________________________
 Produces _________________
 Regulates _____________________
 Dermis has ________ of body’s blood vessels
Layers of Skin
Epidermis
 Made of _____________; produce the protein ________
 Outer skin cells are ______________________
 Deeper layer of epidermis contains ______________, contain
________________
Dermis
 Protects ___________________ in the body
 Made of Dense ____________________________
 Some ____________________________
 Nervous Tissue ______________
 _________________
 Nutrients diffuse through ____________________________
 Glands, fingernails & hair follicles originate in _____________
Accessory Organs of the Skin
Hair follicles: rooted in the ________, extend through __________
______________ muscles give us ________________
Pigment: _____________gives our skin its color
Merocrine Glands (Sweat Glands)
Found in ____________________________________
Originate in ____________
Used to regulate ________________________
Sebaceous Glands (Oil Glands)
Found ___________ on the body (except on ________ and ______)
Oil ___________ hair follicles & ___________________
In acne, oil glands become _____________________, skin becomes
inflamed
Apocrine Glands
 Glands that connect into the ____________________
 Secreted in response to _____________________
 ___________secretions
 Found in ______________________
Regulation of Body Temperature
When body temperature is low
________________ signals glands on skin to_____________
sweat production
If body temperature is still low
Hypothalamus signals muscles of the skin to ____________
This brings ____________________, warming the body
If body temperature is high
Hypothalamus signals glands on skin to ____________________
That water must be _______________
If not, ___________________________