Where does mechanical and chemical digestion begin?
Understand the Problem
The question is asking about the initial processes of mechanical and chemical digestion in the human body, specifically where these processes start.
Answer
Mouth
Mechanical and chemical digestion both begin in the mouth.
Answer for screen readers
Mechanical and chemical digestion both begin in the mouth.
More Information
Mechanical digestion in the mouth involves chewing (mastication), while chemical digestion starts with the action of saliva that contains enzymes like amylase to break down starches.
Tips
Do not confuse mechanical digestion with chemical digestion. Both types begin in the mouth but involve different processes.
Sources
- Introduction to the Digestive System - SEER Training - training.seer.cancer.gov
- Chemical Digestion: Definition, Purpose, Starting Point, and More - healthline.com
- What Is Chemical Digestion? - WebMD - webmd.com
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