I. Encircle the letter that has the correct answer.

1. We use our mouth when we eat our food. Where do you think digestion begins?

a stomach b. mouth c. anus
d. small intestine

2. Where are the undigested foods stored temporarily?

a. stomach b. anus c. large intestine
d. small intestine

3. Digestion is finally completed at what part of the body?

a. small intestine b. stomach c. pancreas d. anus

4. Collect undigested food and form feces.

a. stomach b. anus c. large intestine
d. small intestine

5. The opening where wastes leave out of the body is called

a. anus b. rectum c. pancreas d. mouth

6. The process of breaking up and dissolving food so that it can be taken into the blood to be used by the body is known as

a. Digestion b. Respiration c. Excretion
d. circulation

7. When we eat, all the foods that we take in are not digested; where do you think the undigested food go and stored?

a. stomach b. anus c. large intestine
d. stomach

8. It tears and grind the food into pieces

a. tongue b. liver C. small intestine
d. teeth

9. It absorbs the food in its wall.

a. tongue b. liver c. teeth
d. small intestine

10. A narrow tube that allows the food to push down to the stomach

a. stomach b. mouth c. anus
d. esophagus

1.Digestion begins in the mouth, well before food reaches the stomach. When we see, smell, taste, or even imagine a tasty meal, our salivary glands in front of the ear, under the tongue, and near the lower jaw begin making saliva (spit).

2.Undigested remains of food are passed through a one-way muscular valve into the first part of the large intestine known as the caecum – a small pouch that acts as a temporary storage site.

3.Digestion begins in the mouth, when you chew and swallow, and is completed in the small intestine. The large, hollow organs of the digestive tract contain a layer of muscle that enables their walls to move.

4-10 no explanation

sorry that I didn't have a explanation to a 4-10