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Glossary of Health- skin, acne, hair

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skin
largest organ in body
six functions of skin
1.controls body temperature
2.protects
3.barrier vs germs
4.elimanates waste
5.breathes-5% of respiration
6.feels sensations
three layers of skin
1.epidermis
2.dermis
3.subcutaneous
epidermis
malpighian layer- new skin
gives you color (melanin)
protects from UV rays
dermis
oil glands- keeps skin soft
sweat glands- cools you off
sweat+bacteria=B.O
difference between deoderant and anti-perspirant
deoderant kills bacteria and covers the smell, anti-persirant stops sweat
subcutaneous (fat)
insulation
wrinkles
how are wrinkles created?
fat layer breaks down, skin dries out
carcinoma
non-deadly
melanoma
deadly
three precautions
1.sunscreen
2.wear hat/clothing
3.limit exposure (11am-3pm)
albino
no skin pigments
freckles
uneven patches of melanin
vitiligo
areas of skin with no melanin
mole
raised skin imperfection... may become cancerous
boil
bacteria infection of all the layers of skin
contact dermatitis (rash)
any skin confition caused by direct contact with an aggravating substance
warts
virus... planter's warts on the bottom of the foot
cold sore
herpes type I virus
ringworm
fungus (Athlete's foot)
acne
caused by extra release of oil during increased hormonal activity
five treatments/preventions
1.wash face
2.wash hair- no conditioner
3.avoid oily things on face
4.use astringent- dries skin
5.dermatologist
three types
1.whitehead
2.blackhead
3.pimple
whitehead
extra oil is trapped under the skin
blackhead
oil turns dark when exposed to the air
pimple
clogged pore becomes infected
**ZIT!!**
baldness
heredity (mother's side)
five ways to get rid of hair
1.laser
2.electrolysis
3.wax
4.shave/cut
5.depilatories (cream)
head lice
parasites
dandruff
normal flaking of dead skin of scalp

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