VII. Teeth 19. What is the integumentary system made of? 1. Sweat Glands IV. Nails II. Skin V. Hair III. Bones VI. Eyes a. II, III, IV, V b. I, II, IV, V c. III, IV, V, VI d. I, IV, V, VII 20. Where does final digestion take place? a. small intestine C. esophagus b. large intestine d. mouth 21. These are the joints that allow circular and free movement. a. cartilages b. hinge joints C. ribs d. ball and socket joints 22. It provides the structural framework of the body and protects internal organs such as heart, lungs and brain. a. skeletal system b. muscular system c. heart d. bones 23. Which is not a function of the skeletal system? a. It controls movement and balance of the body. b. It serves as the framework of the body. c. It protects the internal organ of the body. d. It gives support to the body.