14. Which organs are protected by the rib cage? A heart and lungs B. brain and spinal cord C. ovaries and testes D. small and large intestines 15. Which could be the functions of the muscular system? I. It gives shape in our body II. It allows us to move III. It supports and makes our skeleton in the hands and other body parts steady, IV, It provides the structural framework for the body AI and II C. I, II and III B. II and III DI, II, III and IV 16. Which of the statements correctly describe the general functions of skeletal system? I. It gives shape to the body II. It serves as framework of the body III. It protects the internal organs of the body IV. It converts energy, which enables the body to move A. I, II, IV C. I, III, IV B. I, II, III D. I, II, IV 17. What is the J-shaped muscular bag that stores the food you eat, breaks it down into tiny pieces. A. Mouth B. Stomach C. Liver D. Large Intestine 18. In which part of the digestive system does digestion ends? A. Stomach C. Small Intestine B. Large Intestine D. Rectum 19. What body system allows a person to breath and exchange oxygen and carbon dioxide throughout the body? A. Digestive System C. Respiratory System B. Circulatory System D. Nervous System 20. What is the flap of tissue found at the end of the pharynx that closes over larynx to prevent the food and water from entering to the trachea? A Cilia B. Epiglottis C. Tonsils D. Voice Box​