Answers Summer School LA-Biology CR The Digestive and Excretory Systems — Unit testQuestion 5

5

QuizMultiple Choice

The Digestive and Excretory Systems — Unit test

Question 5 • Summer School LA-Biology CR

Which action is a physical change in digestion?

Answer

A

producing enzymes for nutrient absorption

B

absorbing nutrients from food

C

mashing food with teeth

D

salivating to break food into carbohydrates

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