DIGESTION REVIEW

1.The contraction of the smooth muscles in the digestive tract to move the food is called _________________

2. This type of digestion occurs in the mouth due to the action of the teeth ____________

3. Saliva contains 2 ___________ that begin the chemical breakdown of starches in the mouth.

4. The ____________ is the food tube through which food travels from the mouth to the stomach

5. ___________ in the stomach chemically breaks down food.

6. ___________ secreted by the stomach walls protects it from the acid.

7. Food never travels to the these 3 organs but they add digestive juices to the small intestine. ________________________

8.Most chemical digestion occurs in this organ.______________

9.Fingerlike projections called ________ absorb nutrients in the small intestine.

10. The liver produces ______ which is stored in the ____________________

11. The liver, gall bladder and pancreas supply the _______ intestine with digestive juices.

12. The _________ intestine absorbs water and stores waste to be excreted.