5. If there were no bones, the muscles would drop. Which one function is shown here?
A protects the heart and lungs
B. forms a strong case for delicate organs
C. provides leverage for movement of muscles
D provides anchor to which muscles are attached
6. What are the correct pathways of food in digestive system?
A. Esophagus Small intestine -- Stomach ---- Mouth ---- Large Intestine
B. Stomach - Large Intestine --- Mouth Small intestine - Esophagus
C. Mouth - Stomach - Small Intestine Esophagus -- Large Intestine
D. Mouth - Esophagus --- Stomach --- Small Intestine - Large intestine
7. What happens when you breathe in air?
A. the diaphragm expands and the rib cage collapse
B. the diaphragm contracts and the rib cage expands.
C. the diaphragm expands and the rib cage contracts
D. the diaphragm contracts and the rib cage remain the same
8. The following are the functions of the brain, EXCEPT
A. It is where messages are processed.
B. It is responsible for voluntary action.
C. It is responsible for all bodily activities.
D. It pumps blood to all parts of the body
9. When does pressure in your lungs increase?
A when you rest
B. when you inhale C. when you exhale D. when you inha
10. Which is the correct pathway of air in the lungs?
A nostrils - nasal cavity - pharynx-larynx - trachea - bronchus - bronchiole e
B. nostrils - pharynx - nasal cavity - larynx-bronchus - bronchiole
C. nostrils - larynx - pharynx - nasal cavity-trachea - bronchiole
Dnasal cavity - pharynx-lar​