day 1

Question 1

skin definition

Answer 1

the bodies largest organ consists of the epidermis, superficial cellular layer, and the dermis

Question 2

epidermis

Answer 2

keratinized epithelium tough horny superficial later that provides a protective outer surface overlying its regenerative and pigmented deep or basal layer

Question 3

epidermis characteristics

Answer 3

no vessels or arterties or lymphatics

Question 4

dermis

Answer 4

dense layer

collagen and elastic fibers (skin tone and strength)

Question 5

tension lines

Answer 5

langer lines

tend to spiral longitudinally

Question 6

skin provides

Answer 6

protection 
		○ Abrasion 
		○ Fluid loss harmful substances 
		○ UV light
		○ Radiation and invading organism
	• Containment 
		○ Hold organs and tissue
		○ Prevents dehyfration 
		○ Prevents sever and extensive skin injusires
	• Heat regulation 
		○ Sweat and dialtion or constriction fo the superficial blood vessels
	• Sensation- 
		○ Superficial nerves and their sensory endings
	• Synthesis and stroage
		○ Vitamin D