Assessment Directions: Write the letter of the correct answer.

1. What is the main function of the digestive system?

A. hold and receive food
B. remove excess water from the body C. control the chemical activities of the body
D. break the food down to be used for energy

2. The accessory digestive organs include the following EXCEPT
A. tongue
B. liver
C. pancreas
D. stomach

3. Where do mechanical digestion begin?
A. mouth
B. stomach
C. small intestine A mouth
D. large intestine

4. What process is used in squeezing the food downward?

A. gravity
B. peristalsis
C. rugae
D. chime

5. What will happen by the time food leaves the stomach?

A. rolled into a bolus
B. a creamy paste called chyme
C. the food will stay in the stomach
D. ready to be mixed with pepsin for protein digestion​