The digestive system begins with the mouth, which uses teeth to break down food and the tongue's taste buds to sense flavors. Saliva is produced in the mouth as well, containing enzymes to further break down food and mucus to soften it for swallowing into the esophagus and subsequent organs of the digestive tract: stomach, small intestine, and large intestine.

1. Organs of our Digestive SystemMouthEsophagusStomachSmall intestineLarge intestine

2. The start of our digestive tract?Mouth

3. What happens in the Mouth?Food is being broken downOur teeth breaks down food into smaller pieces that are easier to be swallowed.

4. What happens in the Mouth? Production of salivaSaliva lubricates food.It contains mucin which softens the food and enzyme salivary amylase to break down cooked starch into maltose.

5. What happens in the Mouth? Sense of TasteTongue contains thousands of taste buds, able to recognize four basic kinds of taste