Health 1

3. tiny openings in the skin that release oil and sweat from your glands to help cool your body and keep your skin moist
4. tiny, wingless, parasitic insects that live on human hosts and feed on blood
9. a topical personal care product that uses aluminum-based active ingredients to temporarily block sweat glands and reduce perspiration
11. a topical lotion or spray that protects your skin from harmful ultraviolet rays to prevent sunburn and lower the risk of skin cancer
12. a fluid-filled, snail shell-shaped structure in the inner ear that transforms sound vibrations into electrical signals for the brain
15. the thin, visible outermost layer of your skin that acts as a protective waterproof barrier against the environment
16. a genre of art and physical modification where the human body serves as the primary canvas, medium, or focus
17. a clear, watery fluid produced by the salivary glands in the mouth that helps digest food and protects teeth from decay
19. the deepest layer of your integumentary system that connects your skin to underlying muscles and bones
20. a common, harmless, and non-contagious scalp condition that causes itching and white or yellow skin flakes

1. a severe form of inflammatory acne that causes deep, painful, pus-filled lumps beneath the skin
2. permanent holes or damaged areas in the hard surface of your teeth caused by tooth decay
5. a form of invisible electromagnetic radiation with wavelengths
6. a transparent optical device that focuses or disperses light through refraction
7. a thin, light-sensitive layer of nerve tissue that lines the back inside wall of the eye
8. thick middle layer of skin located directly between the outer epidermis and the inner hypodermis
10. the dark opening in the center of the eye's iris that lets light in, or a young person who goes to school
13. a group of chronic, non-contagious inflammatory skin conditions that weaken skin barrier function and cause dry, intensely itchy, and inflamed patches
14. neutralizes or masks underarm odor
18. a common skin condition that happens when hair pores get blocked with oil, dead skin, and bacteria