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
