Integumentary System. Functions. 1. __________and __________ the body What does the skin protect us from?. Functions. 2. Regulate body __________ How does it regulate __________?. subcutaneous. Functions. 3. __________ Waste What wastes are __________? __________ as __________.
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1. __________and __________ the body
What does the skin protect us from?
2. Regulate body __________
How does it regulate __________?
4. Reduces __________ loss
Keeps the body from __________ out!
5. __________ and __________ deeper __________.
6. Houses __________ receptors
Outer (surface) layers of skin
Inner part composed of __________ cells
Outer part is of __________ cells
Lowest layer of cells __________ and push __________ cells toward the __________.
As cells near the __________, they __________ and their organelles __________
These cells also begin producing __________ a tough, fibrous protein.
This replaces __________.
The __________ producing cells __________ as they move toward the surface.
Outer dead layer __________ and __________ inner layers
It is __________ continually and is completely replaced in __________ weeks
What do we find in the epidermis?
What are melanocytes?
Cells that produce melanin.
What is melanin?
A dark brown pigment
What does melanin do?
Gives skin it’s color
Protects sensitive dermis from U-V radiation
Do some people have
than other people?
Skin pigmentation is due to the type and amount of melanin produced
__________ produces __________ pigments
_________________produces __________ pigments and freckles
These often occur together in __________ __________
Deeper layers of skin
__________ times thicker
Top layer arranged
Why are there
__________ help the
__________ bind to the
The uneven ridges
1. __________ __________– tube-like depression where the hair develops
2. __________ __________– secret oily sebum to soften and waterproof skin
3. __________– protective covers of ends of fingers and toes.
4. __________ glands:
5. __________ __________– to nourish skin cells
Anchors __________ to the body
Contains _____ cells to protect and cushion
__________– infection of __________ gland
__________ __________– fleshy growths on neck, armpits and body.
__________ __________– Blood vessel abnormality affecting .5% of population – darkens skin
__________– dry, sensitive skin
__________– bacterial infection
__________– chronic inflammation
Warts- __________ infection