1. The main functions to act as a barrier to protect the body from the outside world and to retain body fluids, protect against diseases, eliminate waste products and regulate the body's temperature.
2. Its main purpose is to protect and also help keep bond cells together.
3.It gives the skin its flexibility and strength.
4. The mosquito uses her proboscis to search for a pumping blood vessel in the dermal layer. Once it locates a good blood vessel, she releases some of her saliva into the wound, which the saliva contains anti-coagulants that keeps our blood flowing until she finishes her meal.
5. One variation is with the amino acid called threonine, which is responsible for the light color of the skin. Second variation is associated with the amino acid called alanine, which is responsible for the dark color of skin. More melanin pigment is produced by people with dark skin as compared to people with light skin.
6. Its main function is to provide insulation and padding for the body.
7. They are made of a tough protective protein called Keratin.
8. The function of hair is to protect and to regulate body temperature.
9. The main function of sweat is produce by the skin in order to cool the body down. Sebaceous glands function is to produce sebum in order to help protect and lubricate the surface of the skin.
10. Superficial (1st degree) - Epidermis - the skin will appear red without any blisters, and the area will be painful and tender.
Partial Thickness ( 2nd degree) - Epidermis/Dermis - The skin will appear red or white with blisters, and the area will be severely painful.
Full Thickness (3rd degree) - Epidermis/Dermis/Subcutaneous Fat/Muscle - The skin will appear leathery and dark brown to black and the inner area will not be painful, but the other edges will be.
11. Tattoo application uses a mechanized needle to puncture the skin and inject ink into the dermis layer. Since the process involves damaging the skin, the body responds with with blood cells which attempt to absorb the foreign particles and dispose of them into the blood stream. Pigment particles are too big to be eaten by white cells, so therefore then the ink just sits there.
12. Acne - the sebaceous (oil-producing)glands of people who get acne are particularly sensitive to normal blood levels of a hormone called testosterone. This causes glands to produce an excess of oil.
Symptoms - clogged pores, papules, pustules, and cysts which will appear in the face, neck, arms, shoulders, chest, back, and upper arms.
Treatments
- topical retinoids
- topical antibiotics
- azelaic acid
- antibiotic tablets
- in women, the combined oral contraceptive pill
- isotretinoin tablets