Copy and complete these sentences:
1. The alimentary canal is a long tube extending from the ____ to the ____.
2. The different parts of the alimentary canal are: ____ , _____ , ____ , ____ , ____ , ____ .
3. Saliva is a digestive juice is secreted by salivary ____ .
4. The stomach secretes ____ , ____ , ____ .
5. The small intestine receives secretions from the ____ and ____
6. The liver secretes ____ juice while the pancreas secretes pancreatic ____ .
7. The digested food pass into the blood ____ through the villi .
8. In the large intestine excess of ____ and ____ are absorbed .
9. The undigested _____ is passed out of the body through the _____.