Chapter 4 Health Notes

  1. Enamel - top layer of the tooth / protects dentin and pulp. Can be damaged by plaque.

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  2. retina - Images appear upside down on your retina.

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  3. fluid in cochlea - Keeps you balanced and makes the hairs in cochlea move.

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  4. soap verses shampoo- soap is hard to rinse out of your hair

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  5. ADA - American Dental Association

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  6. SPF- Sun Protection Factor

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  7. muscles of lens - help change the shape of the lens

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  8. fluoride - substance that helps your teeth stay hard and smooth
  9. symptoms of gum disease - teeth fallout / bad breath / gingivitis / bleed/ sore
  10. Loudness of a sound - decibels
  11. ear canal - When the outer ear catches sound it guides the sound here.
  12. lens - part of the eye that bends light
  13. health myth - butter on a burn / grease on cut/ aspirin on a tooth.

14. draw & label tooth on the back.