Integumentary System Flashcards
The skin is the ——- organ of the integumentary system
Largest
Cutaneous
Of the skin
3 layers of the integumentary system
Epidermis
Dermis
Subcutaneous
Epidermis
Outer layer
Dermis
Lower layer
Subcutaneous
Below the skin
The epidermis is made out of
Epithelial cells
The major cell of the epidermis is the
Keratinocytes
Keratinocyte
Produces keratin
The dermis has 1 2 3 4 5
1 receptors for touch and heat 2 hair follicles 3 sweat glands 4 sebaceous glands 5 lymphatic and blood vessels
Subcutaneous tissue is used for
Fat storage
Internal surfaces are lined with
epithelial tissue
Skin color is due to
Melanin content
There are multiple —– that determine skin color
Genes
Blood vessels
Transport substances and help regulate body temperature
Nerve fibers
Carry messages to and from the brain
Hair follicles
In the dermis
Make hair
Oil glands
Release oil that keep hair flexible and waterproofs the epidermis
Muscle fibers
Attached to hair follicles and cause hair to stand up
Sweat gland
Release sweat to cool body
Sweating removes waste from the body
Skin ——- by keeping —— in and let’s ——– out
Protects
Water
Foreign particles
Skin gets rid of ——– by ———
Waste
Sweat
Skin keeps you in touch with ——- by ——- in it that allow to ——
The outside world
Nerve ends
Feel
Skin regulates
Body temperature
Small organs in the skin called ——— make sweat
Sweat glands
As sweat (——–) evaporates your skin ——
Salty liquid that flows to the surface of the skin
Cools
