1. outer layer of skin that is responsible for the production of melanin and keratin ear canal 2. a protein substance necessary for healthy skin, hair, and nails dermis 3. the inner layer of skin that contains hair follicles, blood vessels, and sebaceous glands 8 washing 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 epidermis 6. the best means of prevention for body odor and acne ear plugs 7. a thin membrane, dividing the outer ear from the middle ear, which moves the ossicles eardrum 8. channels sound to the eardrum ear drops 9. protects the eardrum from dirt 7 keratin 10. small bones in the middle ear that transfer sound waves to the inner ear acne 11. converts sound waves into electrochemical impulses, which are transmitted to the brain