TRY TO TEST YOURSELF
Read each item carefully. Choose only the letter of the correct answer.
1. Which of the following is NOT a main part of the digestive system?
A Liver
C. Stomach
B. Mouth
D. Esophagus
2. Which part of the digestive system cuts food into smaller pieces?
A. Esophagus
C. Mouth
B. Intestine
D. Stomach
3. Where is food finally digested into soluble substances?
A. Large Intestine
C. Small Intestine
B. Rectum
D. Stomach
4.What is the function of the liver and pancreas?
A. They grind the food
B. They squeeze the food
C. They moisten the food
D. They produce digestive juices
5. Why is saliva important?
A. It squeezes the food into tiny particles
B. It helps digest protein and fats
C. It cuts the food into pieces
D. It helps the process of digestion begin.
6.
What is the digestive function of the large intestine?
A. It absorbs water from the undigested food.
B. It changes the food into soupy mixture.
C. It grinds the food into soupy mixture.
D. It helps digest carbohydrates, fats and proteins.
7. What happens to the food in the mouth?
A. It is cut and moistened
B. It is changed into a soupy mixture
C. It is digested into soluble
D. It is squeezed and move​