Download REVISION QUESTIONS ON THE HUMAN DIGESTIVE SYSTEM

REVISION QUESTIONS ON THE HUMAN DIGESTIVE SYSTEM
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What is the purpose of the digestive system?
How does saliva begin digestion?
What is the name for the muscular contractions which push food through the system?
Why does the stomach contain acid? (2 reasons)
Where in the digestive system are soluble substances absorbed into the bloodstream?
Where is water absorbed into the bloodstream?
What happens to the food that cannot be digested?
Fill in the following table
Enzymes
Produced in
Carbohydrase
1
2
3
1
2
3
1
2
Protease
Lipase
Catalyse the breakdown
of…………………into ………………
9. Where is bile produced and where is it stored?
10. What are two functions of bile?
11. How is the small intestine adapted for digestion? (4 reasons)