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