POST-TEST Multiple Choice: Encircle the letter of the correct answer. 1. Which of the following body systems provides protection to the whole body against microorganisms and invasion by infectious organisms? a. digestive system c. muscular system b. integumentary system d. skeletal system 2. What is the other term for sebaceous glands? a. oil glands b. sweat glands c. eccrine glands d. apocrine glands 3. What do is the largest organ of the body and is about 15 % of your total body weight? a. liver b. skin c. heart d. brain 4. Which of the following is not an organ of the integumentary system? a. nails b. hair c. liver d. skin 5. Nails are created when epidermal tissue hardens because of the protein ____. a. lutein b. sebum c. melanin d. keratin 6. Which of the following is not a function of sebum? a. provides framework to the skin c. prevents skin from drying b. makes hair healthy and shiny d. provides protection to skin 7. Hair can grow anywhere except ______. a. skin b. scalp c. face d. lips 8. The epidermis contains a pigment called ____ which gives skin color. a. sebum b. melanin c. keratin d. sweat 9. All of the following are functions of the integumentary system except_______. a. body covering c. helps in disposing waste materials b. body protection d. helps in digesting food 10. Which of the following is not a proper way to take care of your skin? a. wash your face before you sleep b. stay long under the sun to have lots of vitamin d c. avoid too much use of make ups d. manage stress​