Unit 2.2

• Biologie
• Middelbare school
• vwo
• Leerjaar 2

What are the parts of the intestinal tract?

1. The small and large intestine
2. The stomach and the small and large intestine
3. All intestinal organs between your mouth and anus
4. The small and large intestine, rectum, and anus

What happens in the digestive system?

What happens during digestion?

Canine

Molar

Incisor

Which teeth do we use for mechanical digestion?

1. Molars
2. Canines
3. Incisors

In your own words: What is chemical digestion?

What is the function of enzymes?

What happens when the longitudinal muscles in the intestine contract?

1. The intestine become narrower
2. The intestine become wider

What muscles contract above the food to push it forward?

1. Longitudinal muscles
2. Circular muscles