1. The following are the functions of musculoskeletal system in the body, except ONE. A. moves the body B. supports the body C. aids in digestion D. gives shape to the body 2. How do bones in the chest and skull work in our body? A. They protect the delicate organs in the body. B. They give the body energy. C.They aid in blood circulation. D. They make life easier. 3 3. Sunlight is good for the health, what vitamin can be activated in the body with the aid of it? A. Vitamin A B. Vitamin B C. Vitamin C D. Vitamin D 4. It is a central organ of human nervous system that receives information and given to different parts of the body. B. heart C. lungs D. stomach 5. Why is it important to promote healthful habit for our organs? Which of the following is NOT a valid reason? A. to have a happy life B. to avoid getting older c. to keep our body away from diseases D. to make our organs function properly 6. What system is responsible for the exchange of carbon dioxide between the atmosphere and between the blood and the body cells. A. Circulatory system B. Digestive system C. immune system D. respiratory system 7. Which of these is the work of the respiratory system? A. Gas exchange between the external environment and the body's circulatory system. B. Holding up the body and giving it support and shape. C. Breaking down food for it to be used by the body. D. Transport system of the body. 8. How are circulatory and digestive systems related? A. They both process and transport essential nutrients to the body. B. They both have different function and no relation to each other. C. They both give oxygen to the body. D. None of the above 9. What will happen if the respiratory system and circulatory system do not work together? A. The body will still get necessary nutrients essentials to the body. B. There will be no gas exchange function so the cells would die. C. The body will continue to function automatically D. All the above 10. What is the function of the blood vessels and capillaries? A. They pump blood to the heart B. They filter impurities from the blood. C. They carry messages from the brain. D. They carry blood to all parts of the body 11. Where does the exchange of gases take place? A. alveoli B. bronchi C. nostrils D. trachea 12. Why is blood important? A. because it helps us keep healthy B. because it has water that flows with it C. because the blood is colored red and it flows like a river D. because it delivers vital nutrients and nourishment to the body 13. Why does the blood turn dark red as it circulates through the body? A. It starts to clot. B. It gets old and dirty as it flows through the body. C. The oxygen in it is replaced with carbon dioxide. D. The farther the blood from the heart, the darker red it is. 14. Which group of invertebrates has shells? A. coelenterates B. echinoderms C. mollusks D. sponges 15. Which of the following is true about echinoderms? A. They are stationary B. They have spiny skin C. They have tentacles which release a poison D. They live inside the body of another organism 16. How can parasitic worms enter your body/ A. Eating well-cooked B. Walking barefooted C. Washing your hand before eating D. Proper disposal of human and animal waste 17. How are flatworms and roundworms different from one another? A. They are free living B. They have one body opening. D. They have a digestive tract with 2 body openings C. They live as parasites of other animals.
