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Questions and Answers
What is the purpose of saliva in the digestive process?
What is the purpose of saliva in the digestive process?
- To soften the lining of the digestive canal
- To help in processing food particles to generate small, uniformly textured particles
- To secrete an enzyme that breaks down starch into sugar (correct)
- To aid in peristaltic movements
What is the role of biological catalysts in digestion?
What is the role of biological catalysts in digestion?
- To provide energy for digestion
- To break down complex molecules into smaller molecules (correct)
- To help in mixing food with saliva
- To transport digested food through the digestive tract
Which organ in the digestive system expands when food enters it?
Which organ in the digestive system expands when food enters it?
- Stomach (correct)
- Small intestine
- Oesophagus
- Large intestine
What is the function of peristaltic movements in the digestive system?
What is the function of peristaltic movements in the digestive system?
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Which enzyme found in saliva breaks down starch?
Which enzyme found in saliva breaks down starch?
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What happens to the food in the mouth during chewing?
What happens to the food in the mouth during chewing?
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Why is it necessary to mix food with saliva in the mouth?
Why is it necessary to mix food with saliva in the mouth?
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