D. Nutrients are absorbed and distributed to different body cells. C. Large fat molecules are digested into smaller fat molecules. A. Protein is broken down. B. Amylase breaks down starches into sugar molecules.
2. Which structure moves down as its muscles contract?
B. pharynx A. diaphragm C. ribs D. trachea
3. Which of the following protect the lungs?
D. sternum A. clavicle C. scapula B. ribs
4. How does air enter your body?
A. through the digestive tract B. through the respiratory tract C. through the pores of the skin D. through the ear canal
5. Which of these is NOT a part of the digestive system?
C. stomach D. esophagus B. mouth A. kidneys
6. Which is not a part of the integumentary system ?
C. hair B. alveoli D. epidermis A. dermis
7. What do we call the muscles that we can control?
B. cardiac A. voluntary C. smooth D. involuntary
8. It is the largest organ in our body?
D. eyes C. skin B. pelvic bone A. intestine
9. Which system carries oxygen in the body?
C. nervous system D. muscular system A. circulatory system B. digestive system
10. Exchange of air occurs in ______ which are also known as air sacs
A. Bronchioles B. Bronchi C. Alveoli D. Alveolar ducts
11. The tough connective tissue that holds bones together is called the___.
D. Cartilage C. Fascia A. Ligament B. Tendon
12. Where does most of the digestion happens?
D. mouth A. small intestine B. stomach C. pancreas
13. To make breathing possible, the respiratory system works with____________.
A. Digestive System D. Integumentary System B.Nervous System C. Circulatory System
14. Which of the following is NOT a healthful habit for the body systems?
A. Eat foods rich in protein C. Eat plenty of chocolates B. Have enough sleep D. Drink plenty of water
15. What is the function of the axil skeleton?
B. It connects the muscles to the skeleton A.It aids in the movement of the body D. It acts as a shock absorber C. It protect the delicate organs of the body
16. Which of the following is not included in the types of joints.
D. Ball joints A. Pivot joints B. Hinge joints C. Gliding joints
17. Which of the following protect the heart and lungs from injury?
C.Ribs and collarbones B.Shoulder blade and collarbone D. Ribs and breastbone A.Skull and breastbone
18. Which activity is made possible by smooth muscles?
A. blinking B. digesting D. writing C. running
19. What do you call the opening at the end of the digestive tract where undigested materials are excreted?
A. Anus D. Large intestine B. Rectum C. Small intestine
