Answer the following statement(s) true (T) or false (F)

1. Saliva has an enzyme that begins to break down proteins in the mouth. 
2. Teeth are essential to digestion because they break food into small, more easily digested pieces. 
3. The portion of the stomach that is attached to the esophagus is the pylorus. 
4. The portion of the stomach that connects to the small intestine is the pylorus. 
5. The intrinsic factor secreted by the parietal cells of the stomach is needed for vitamin B12 absorption. 

1. False
2. True
3. False
4. True
5. True