Human Digestion Worksheet
Explore the human digestive system with this worksheet, covering organs, functions, and the process of digestion for Grade 6 science students.
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Human Digestion Worksheet
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Read each question carefully and answer to the best of your ability. Refer to the diagram of the human digestive system if needed.
1. Which organ is primarily responsible for absorbing nutrients into the bloodstream?
Stomach
Large Intestine
Small Intestine
Esophagus
2. What is the main function of the esophagus?
To digest fats
To transport food from the mouth to the stomach
To absorb water
To produce digestive enzymes
3. The process of breaking down food into smaller molecules is called .
4. The stomach uses strong acids and enzymes to break down .
5. Waste products are stored in the before being eliminated from the body.
Use the diagram above to answer the following questions.
6. The liver produces bile, which helps in the digestion of fats.
True
False
7. The large intestine is where most nutrient absorption occurs.
True
False
8. Describe the role of saliva in the digestion process.
9. Explain the difference between mechanical and chemical digestion.
Use the words below to complete the sentences.
10. The wave-like muscle contractions that move food through the digestive tract are called .
11. The small intestine has tiny, finger-like projections called that increase the surface area for nutrient absorption.
12. After food is mixed with stomach acids, it becomes a thick, liquid mixture called .