DIGESTION REVIEW

1. DIGESTION REVIEW

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

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

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

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

6. 5. ___________ in the stomach chemically breaks down food.

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

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

9. 8.Most chemical digestion occurs in this organ.______________

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

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

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

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