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Health Ch.11
vocab
| Term | Definition |
|---|---|
| Epidermis | Outer layer of skin. |
| Dermis | Middle,thickest layer of skin. |
| Acne | Inflammation of skin caused by dirt and oil. |
| Pimple | Raised bump from clogged pore. |
| Dandruff | Flaky, dead skin from the scalp. |
| Head Lice | Small insects on scalp, lay eggs on shaft of hair. |
| Cuticle | Dead piece of skin around base of nail. |
| Keratin | Gives strength to hair and nails. |
| Plaque | Sticky film on teeth. |
| Tartar | Plaque hardens into this. |
| Cavity | A hole in the tooth. |
| Crown | Part of tooth you can see. |
| Neck | Part of tooth between crown and root. |
| Root | Holds tooth in gum. |
| Enamel | Outer tissue of tooth, hardest substance in human body. |
| Dentin | Bony tissue that surrounds the pulp of the tooth. |
| Pulp | Soft inner part of tooth. |
| Cornea | Clear outer part of eye. |
| Iris | Colored part of eye. |
| Pupil | Black dot in center of eye. |
| Lens | Part of eye that focuses light. |
| Retina | Back of eye, contains millions of light sensitive cells. |
| Farsighted | Can't see close up. |
| Nearsighted | Can't see far away. |
| Astigmatism | Unable to see far away. |
| Optic Nerve | Sends messages from the eye to the brain. |
| Cochelea | Snail shaped structure in the ear. |
| Semicirclular Canals | Small, fluid-filled tubes above cochelea. |
| Auditory Nerve | Sends messages from ear to brain. |
| Ear Drum | Piece of skin stretched tight like a drum. |
Created by:
syd.craig20
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