7 Questions
What is the purpose of saliva in the digestive process?
To secrete an enzyme that breaks down starch into sugar
What is the role of biological catalysts in digestion?
To break down complex molecules into smaller molecules
Which organ in the digestive system expands when food enters it?
Stomach
What is the function of peristaltic movements in the digestive system?
To push food forward along the digestive tract
Which enzyme found in saliva breaks down starch?
Salivary amylase
What happens to the food in the mouth during chewing?
It is moved around by the muscular tongue while being chewed
Why is it necessary to mix food with saliva in the mouth?
To moisten the food and make its passage smooth through the digestive tract
Explore the basics of the digestive system and how food is processed starting from the mouth. Learn about the role of teeth, saliva, and the digestive tract in breaking down food for absorption.
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