8. Bile is stored and concentrated in the___
A. gall bladder
B. urinary bladder
C. liver
D. pancreas
9. Which of the following best maintain intestinal health?
A. fatty food
B. fiber
C. starch
D. vitamin
10. Which of the following is a tube which connects the mouth and stomach?
A. trachea
B. larynx
C. esophagus
D. pharynx​