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pettebone
integumentary system
11
Science
7th Grade
01/18/2010

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Term
What is a job of the Integumentary system?
Definition
Help maintain homeostasis by protection from bacteria, UV Rays, and keeps moisture in
Term
what are the parts of the system?
Definition
Blood cells, nerves, muscle fibers, hair follicules, oil glands, sweet glands.
Term
epidermis
Definition
this is the first layer of skin that is made up of dead cells.
Term
dermis
Definition
second layer of skin and made up of fibers
Term
fat cells
Definition
the third layer (the last layer) and is made up of fat
Term
which layer has the most stuff located there.
Definition
the dermis
Term
Hair
Definition
protects from UV rays, bacteria, and regulates temperature
Term
sweat glands
Definition
remove waste through the skin
Term
homeostasis
Definition
maintain constant, stable, internal environment
Term
melanin
Definition
pigment that protects us from sunlight - gives skin color
Term
How are pimples formed?
Definition
when bacteria mixes with oil, dead skin cells at a hair follicle.
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