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Unit 2 Review

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

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

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