Just before taking an exam, a student eats a donut. The student's body begins to digest the donut through both mechanical and chemical processes. Which is an example of a mechanical process?
answer choices
The student's teeth break apart the donut into little pieces
The student's salivary glands release enzymes to break down starches
In the stomach, gastric acids break the donut down further into a liquid called chyme
In the small intestine, enzymes produced by the gall bladder break the chyme down further