Online teaching

Online teaching with Kubbu

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Unit 2 Review

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

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

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