Answer the following question given this paragraph: 

The mouth is the first organ that food enters. But digestion may start even before you put the first bite of food into your mouth. Just seeing or smelling food can cause the release of saliva and digestive enzymes in your mouth.


Q: What is the first digestive organ that food enters?

 Choices:

- intestine

- digestive system

- kidneys

- mouth

A:
mouth
