Integumentary System 1
What 3 things make up the integumentary system?
Skin
Hair
Nails
True or False
Skin is thin and easily damaged
Being exposed to the sun can help our bodies make _________________
Vitamin D
Human skin color is determined by what pigment?
melanin
True or False
Your skin is one of your body's major defenses
True
Our skin protects us from germs and friction. What 2 things can possibly develop from excess friction?
Blister
Callous
shivering helps your body to ____________
warm up
The epidermis is the ________________
outer layer of the skin
The surface of the epidermis consists of dead skin cells filled with a protein called _______________
keratin
the second layer of the skin is called ___________
dermis
Hair grows as cells in the ___________ ____________
Hair Follicles
Where is the subcutaneous layer located?
under the dermis
Sweating helps your body to __________
cool down
All humans have the same skin color. We are all different shades of _________________
Brown
The hair follicle is located in what structure of the skin?
the dermis
True or False
Hair is dead and skin is alive
True
What is the layer of skin where fat is deposited and stored.
Hypodermis
the subcutaneous layer is not part of the skin and is made up of ___________ ____________ and _____________
fat cells
fibers
The oil glands that are located next to each hair follicle secrete oil keep the ____________ and _____________ soft, flexible and water resistant
Skin
Hair
The fat cells in the subcutaneous layer do what?
cushion and insulate your body
Double Points....What are the 4 functions of the skin?
Sensation
Temperature Regulation
Protection
Making Vit D
Two factor that influence the shade of someone's skin are ______________ and ______________
genetics
environment
The skin contains lots of nerve endings that respond to 5 things. What are those things?
cold
heat
touch
pressure
pain
Is the skin the largest or smallest organ of the body?
largest
the dermis consists of what type of issue?
connective