The Digestive System Worksheet
Explore the human digestive system with this Grade 7 science worksheet, covering organs, functions, and the process of digestion.
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The Digestive System
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Read each question carefully and answer to the best of your ability. Refer to the diagram of the digestive system for some questions.
1. Which organ is primarily responsible for absorbing nutrients from digested food?
Stomach
Large Intestine
Small Intestine
Esophagus
2. What is the main function of the esophagus?
Chemical digestion
Absorbing water
Transporting food to the stomach
Storing bile
3. The process of breaking down food into smaller molecules is called .
4. The acid in the stomach helps to kill bacteria and activate enzymes for protein digestion, and its chemical formula is .
5. Peristalsis is the wave-like muscle contractions that move food through the digestive tract.
True
False
6. The liver produces digestive enzymes that break down carbohydrates in the small intestine.
True
False
7. Describe the role of villi in the small intestine.
Match each organ with its primary function.
8. Gallbladder
a. Produces bile
9. Pancreas
b. Stores bile
10. Liver
c. Produces digestive enzymes and hormones