1
The outer layer of skin
Epidermis
The mechanism of heat loss that depends upon evaporation is
secretion that prevents drying of the eardrum
cerumen
Burn that includes painful blisters
Human hair can prevent dust out of
eyes and nose
Dermis is strong because of the presence of
Collagen fibers
What is the primary function of the integumentary system
Protect the body from external elements
In cold weather, the arterioles in the dermis will
constrict to conserve heat
Vitamin D is formed in the skin when exposed to
UV rays
Connects the dermis to the muscles and stores fat
Subcutaneous tissue
What is vitamin D made from
Cholesterol
The protein in epidermal cells that makes the skin relatively waterproof
keratin
If someone gets burned and requires a skin graph what stage burn is this?
3rd degree
The layer of skin that, if unbroken, prevents the entry of most pathogens
stratum corneum
Epidermal layer where mitosis takes place
Stratum germinativum
The receptors for pain in the dermis are
free nerve endings
Protein that protect inner living skin from damaging effects of UV rays
melanin
The secretion that prevents drying of the skin and hair
sebum
what do defensins in the epidermis provide protection against?
Mitosis constantly renews this layer, which forms a barrier between the body and the external environment
Dermis
Provide information about changes in the external environment
Receptors
What are two potential problems for someone with 3rd degree burn
dehydration
loss of tissue fluid
infection
The tissue that stores fat in the subcutaneous tissue
adipose tissue
Vitamin D promotes absorption of ______ and ___________ in the small intestine. Strong bones and teeth
calcium and phosphorus
What part of a hair follicle undergoes mitosis to form the hair
hair root