accessory structures
what structure is made of hard keratin?
Nail plate
what layer of skin is affected during a first degree burn?
epidermis
what type of feedback is temperature control under?
negative feedback
what are the three main layers of skin?
epidermis, dermis, hypodermis
what layer of skin are free nerve endings found
epidermis
what part actively divides to form new plate?
nail matrix
first and second degree burns are what kind of burns?
partial-thickness
what happens to the blood vessels when your temperature increases?
blood vessels dilate
which is the most deep layer?
superficial fascia
two
what are the two exocrine glands in the integumentary system?
sweat glands and sebaceous glands
a full-thickness burn is what type of burn?
third
what is normal body temperature?
98.6 F
what two layers make up the dermis?
papillary and reticular
which corpuscle is related to finer touch?
meissner corpuscle
catagen, telogen, anagen
what part of the body accounts for the largest percentage of burn?
leg (18% each)
what happens to your arrector pilli muscle when it's cold?
contracts
name the protein in the thick skin layer that is not in thin skin?
eleidin
which corpuscle is found in the reticular layer?
ruffini
what causes the club hair to fall out during the telogen phase?
beginning of anagen phase where the hair matrix starts undergoing cell division
what percentage would one arm, chest, and upper back burn be?
27%
what structure in your brain acts as your body's control center?
hypothalamus
7-10 layers
the sensory receptor that senses deep vibration is found in what layer of the skin?
papillary of the dermis