1. outer layer of skin that is responsible for the production of melanin and keratin dermis 2. a protein substance necessary for healthy skin, hair, and nails ossicles 3. the inner layer of skin that contains hair follicles, blood vessels, and sebaceous glands ear plugs 4. the result of sebum being trapped in a follicle with a piece of dirt or bacteria wax 5. the results of sweat being allowed to sit on bacteria-crowded areas of the skin ear drops 6. the best means of prevention for body odor and acne keratin 7. a thin membrane, dividing the outer ear from the middle ear, which moves the ossicles eardrum 8. channels sound to the eardrum washing 9. protects the eardrum from dirt ear canal 10. small bones in the middle ear that transfer sound waves to the inner ear earache 11. converts sound waves into electrochemical impulses, which are transmitted to the brain cochlea 12. caused by sinus infection or another illness affecting the nose or mouth body odor 13. a safe treatment for wax build-up epidermis 14. appropriate protection from loud noises acne