Includes skin, hair, nails, sebaceous glands, and sweat glands.
Skin Nail Hair Skin Nail Hair SKIN TERMS 7. Dermatologist 8. Hair follicles 9. Oil glands 10. Sweat...
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Transcript of Skin Nail Hair Skin Nail Hair SKIN TERMS 7. Dermatologist 8. Hair follicles 9. Oil glands 10. Sweat...
SKIN TERMS
1.Epidermis
2.Dermis
3.Subcutaneous layer
4.Melanin
5.Pores
6.Sebum
7. Dermatologist
8. Hair follicles
9. Oil glands
10. Sweat glands
11. Adipose tissue
Functions of Skin in brief Shields against water
Defends against germsPrevents bacteria & viruses from
entering the body
Maintains homeostasisSweating/shivering
Provides sensory inputHeat, pressure, pain, touch…
Formation of vitamin D
Parts of Skin
a) Epidermis: outermost layer
b) Dermis: thick inner layer
c) Subcutaneous layer (hypodermis): layer of fat tissue or adipose tissue
Taking Care of SkinHealthy skin is the result of:
Taking shower regularly
Use of very mild, moisturizing soap
Use of deodorant and/or antiperspirant
Use of antibacterial soap to clean your face to prevent acne
Use of sunscreen to prevent sunburn
Types of Acne
Whitehead: a pore that is plugged with sebum(oil).
Blackhead: a pore that is plugged with sebum and exposed to air.
Pimple: a clogged pore that is filled with pus.
Common Skin ProblemsAcne (caused by bacteria)
Cold sores (caused by herpes virus) small, painful blisters commonly called cold sores or fever blisters.
Dandruff (dead skin cells of the scalp)
Ingrown toenails
Sunburn (UV rays)
Common Skin ProblemsRingworm (caused by fungus)
Athlete’s foot (caused by fungus)
Head lice (insects)
Skin ProblemsSunburn:
Sunburn is caused by ultraviolet rays.
Ultraviolet rays come from sunlight.
The lighter the skin is, the faster it burns.
Ultraviolet rays make skin age and wrinkle faster.
Sunburn can lead to skin cancer.
MOLES & Freckles
Moles are very common spots on the skin. These are cells with high concentration of melanin.
If you notice changes in a mole's color, height, size, or shape, you should have a dermatologist evaluate it.
Your Hair
Made of dead cells
The roots are in the dermis, located in small pockets called follicles
Gets its color from melanin
Can be wavy, curly, or straight
Your Nails
Dead cells that grow out of living tissue
Cuticle: a nonliving band of epidermis that grows around the nail
Mouth & TeethoTasting
oDigestion: teeth crush and grind food, saliva moistens and chemically breaks it down
oSpeech
The ToothA. Crown: the
part you see
B. Neck: part between crown & root
C. Root: part of tooth inside the gum
Problems of the Teeth & MouthTooth decay or cavities are holes, or structural damage, in the teeth
Gingivitis (gums become red and swollen and might bleed)
Malocclusion (teeth in upper and lower jaws do not align properly)
Halitosis (bad breath)
What causes tooth decay?
Poor diets (eating a lot of sugar)
Smoking
Lack of good oral hygiene (not brushing/flossing)
Irregular/not visiting the dentist