23. The Digestive System
Introduction to the Digestive System
Multiple Choice
Multiple ChoiceWhich is more essential to life and why: chemical digestion or mechanical digestion?
A
Mechanical digestion: mechanical digestion breaks down food molecules into their absorbable components.
B
Mechanical digestion: mechanical digestion increases the surface area of consumed food, so that it may be absorbed.
C
Chemical digestion: chemical digestion breaks down food molecules into their absorbable components.
D
Chemical digestion: chemical digestion increases the surface area of consumed food, so that it may be absorbed.
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