Online teaching

Online teaching with Kubbu

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Unit 2 Review

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

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

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