in which part of the digestive system does a chemical change of the food first occur?\nmouth\nesophagus\nstom…

in which part of the digestive system does a chemical change of the food first occur?\nmouth\nesophagus\nstomach\nliver
Answer
Brief Explanations:
Saliva in the mouth contains enzymes like amylase that start breaking down carbohydrates in food through chemical reactions. The esophagus is mainly for food - transport, the stomach further digests food chemically but not first, and the liver produces bile which aids digestion but is not where the first chemical change occurs.
Answer:
mouth