Answer:1. The heart is for pumping blood to the body, whereas the small intestine is for digestion.2. The lungs are for the respiratory system, whereas the rib cage is for protection.3. If the small intestine is for the digestive system, whereas the blood is for the circulatory system.4. The skull belongs to the skeletal system, whereas the smooth muscles belong to the muscular system.5. The skeletal muscles are voluntary muscles, whereas the smooth muscles are involuntary muscles.Tandaan na ang mga sagot ay sumasalamin sa mga pangunahing tungkulin ng mga bahagi ng katawan.