Health Chapter 8

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Across
  1. 2. a sticky, colorless substance formed by bacteria in the mouth
  2. 4. an inflammation in the gums
  3. 7. the condition of having bad-smelling breath
  4. 9. the. units by which sound intensity is measured
  5. 12. the innermost, light-sensitive area of the eye
  6. 14. a severe type of acne that requires medical treatment
  7. 16. the colored part of the eye that constricts and dilates the pupil
  8. 17. a product that protects the skin by absorbing and scattering UV rays
  9. 20. the middle layer of skin, which contains hair follicles
  10. 21. permanent decorations that are applied to the body
Down
  1. 1. the area of your mouth that includes the lips, teeth, and tongue
  2. 3. holes in the teeth caused by plaque eating away at enamel
  3. 5. hair follicles underneath your skin that contain oil-producing glands
  4. 6. the black opening in the middle of the iris through which light passes
  5. 8. a clear part of the eye that focuses light on the retina
  6. 10. a chronic skin condition characterized by patches of red, itchy, dry, or swollen skin
  7. 11. the tissue by which nerve impulses travel from the brain
  8. 13. a skin condition in which inflamed, clogged hair follicles causing pimples
  9. 15. the clear tissue covering the front of the eye
  10. 18. an invisible type of radiation that emanates from the sun, tanning beds, and sunlamps
  11. 19. a substance produced in the mouth, which contains enzymes that break down food