Choose the letter of the correct answer. Encircle the correct answer. 1. 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 2. Which of the following bones protects the lungs? a. clavicle b. ribs c. scapula d. sternum 3. 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. 4. In which part does digestion begin? a. Esophagus b. mouth C. anus d. intestine 5. Which of the following statements best describes the skin? a. the largest sense organ b. receives information about your environment c. protects your body in any way d. all of the above 6. Which one of the following is NOT a primary function of the integumentary system? a. Protection b. secretion c. reproduction d. sensation 7. Which is affected when a person suffers from first degree burns? a. epidermis b. excoriation c. dermis d. subcutaneous layer 8.Where is food finally digested and absorbed? a. small intestine b. esophagus c. large intestine d. mouth 9.Which shows the correct order of food travelling through the digestive system after it is swallowed? a. stomach, esophagus, large intestine, small intestine b. small intestine, large intestine, esophagus, stomach c. esophagus, stomach, large intestine, small intestine d. esophagus, stomach, small intestine, large intestine 10. Which of the following statements best describes the function of the digestive system? a. It releases acids and mixes food. b. It aids in absorption of nutrients from food. c. It carries food from stomach to the intestine. d. It breaks down food so that the body can absorb food nutrients.​