What causes food to break down?
Go to the gizmo site and complete Activity B - Mechanical and Chemical Digestion
What are the features of Mechanical Digestion?
Enrichment Questions
- Why is it important that the mouth and stomach are near the start of the digestive system?
- What is the role of Enzymes Amylase and Pepsin?
- In humans, the small intestine can be over 8 meters (26 feet) long. Why do you think this organ is so long?
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