Chapter 3 concepts Flashcards
what are the four functions of the integumentary system
acts as a two way protective barrier, regulates temperature, houses sensory receptors, secretes important fluids
what are the organs of the integumentary system
skin, hair, nails, sebaceous glands, sweat glands
the ____ is the largest organ
skin
skin weighs more than ____ lbs
20
what are the primary functions of the integumentary system
protection, keep pathogens and other substances out, act as a two way barrier
which layer are sensory receptors housed in
the middle layer, dermis
which sensations do sensory receptors detect
temperature, pain, touch, pressure
Superficial blood vessels _____ to release heat to stay cool
dilate
superficial blood vessels ______ to trap heat
constrict
the subcutaneous layer serves as _______
insulation
True or False: the epidermis is composed of stratified squamous epithelium
true
what are the overlapping layers of cells called
strata
The epithelium doesn’t has _______ or ________
blood supply; connective tissue
What is the deepest layer in the epidermis called?
the basal layer
The basal layer contains _______
melanocytes
what is another name for the dermis
corium
What structures are located within the dermis
hair follicles, sweat glands, sebaceous glands, blood vessels, lymph vessels, sensory receptors, nerve fibers, muscle fibers
