Physical digestion- Increases the surface area of the food.
- Mechanically tearing up large food items into smaller pieces.
- (No chemical reactions take place.)
- Cutting up food, biting, chewing, churning, emulsification
Chemical digestion
- Using enzymes to break up small items of food into simple, individual molecules.
- (Chemical reactions take place.)
enzymes
Polymer ------------------Monomer
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