Online teaching

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Unit 2 Review

Author: Torquato Rose
Keywords: , , , , , , online teaching

0. cornea
1. nearsighted
2. sebum
3. farsighted
4. auditory nerve
5. fluoride
6. ultraviolet rays
7. decibel
8. hair follicle
9. SPF
10. iris
11. pupil
12. plaque
13. astigmatism
14. oil gland
15. optic nerve

0. gum disease
1. carries signals to the brain to be interpreted as sound
2. a mineral that can help protect teeth
3. able to see things far away, but things nearby are blurry
4. carries messages from the eye to the brain
5. clear covering that protects the eye
6. substance composed mostly of bacteria that builds up on teeth
7. oil released by the oil (sebacious) gland
8. the part of the skin that contains the root of a hair
9. blurry vision caused by an unevenly curved cornea or lens
10. sun protection factor
11. able to see things nearby, but far away things are blurry
12. where light enters the eye
13. gland that releases sebum and opens into a hair follicle
14. a unit used to measure the loudness of sound
15. invisible energy waves given off by the sun