Philip King

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 integuementary system worksheet

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Philip King
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تاريخ التسجيل : 28/10/2012
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مُساهمةموضوع: integuementary system worksheet   الخميس نوفمبر 22, 2012 4:49 pm

Define
Integumentary system:…………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………..
Epidermis:……………………………………………………………………………………………………………………
Dermis:………………………………………………………………………………………………………………………

Fill in the blank
1-sweat is ………………liquid that flows to the surface of the skin.
2- several kinds of waste are removed in ………………..
3- ski colour is determined by a chemical called …………….
4- if a lot of melanin is present the skin is very …………., if a little of melanin is present the skin is very ……………
5- melanin absorb …………………..light from the sun.
6- melanin reduce the damage that can lead to skin ………………..
7- even dark skin is ……………………. To skin cancer.
8- …………….is the largest organ of your body
9- the skin of an adult cover the area of about………………
10- skin has two main layers : the …………………. And the ……………………
11- the epidermis is made of …………………. Tissue.
12- the epidermis is thicker of the ……………..of your hands and on the ………….. of your feet.
13- most cells in the epidermis are …………..
14- these dead cells are filled with a protein called ……………
15 – keratin helps make the skin………….
16- the dermis has many fibers made of protein called ……………..
17- the fibers provide ……………, and let skin bend without ………………….
18- hair forms at the bottom of tiny sac called …………………..
19- hair gets its color from ………………….
20- a nail grows from the living cells in the ………………………
21- damage to the genetic material in skin cells can cause skin ……………….
22- skin may also be affected by …………………
23- the clog of hair follicle result is ………….

Questions ???
1-what are the functions of skin??
2- what are the functions of (blood vessels, nerve fibers, hair follicle, muscle fibers, oil glands, sweat gland)??
3- how do hair and nails develop??
4- what are the function of hair in human?
5- what are the function of hair in mammals?
6- nails protect what??
7- how skin heals??
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integuementary system worksheet
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