© NTScience.co.uk 2005KS3 Unit 8a Food and Digestion1 Food and Digestion.

KS3 Unit 8a Food and Digestion 1© NTScience.co.uk 2005

Food and Digestion

KS3 Unit 8a Food and Digestion 2© NTScience.co.uk 2005

Q1. What type of food is essential for growth and

repair?

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A1. Protein

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Q2. What type of food provides energy quite

quickly?

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A2. Carbohydrates

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Q3. What type of food provides an energy store

within the body?

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A3. Fat

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Q4. What is an insoluble carbohydrate with big

molecules?

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A4. Starch

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Q5. What are needed in very small amounts to keep body processes

working properly?

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A5. Vitamins

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Q6. What do you call essential elements, like

calcium for healthy bones?

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A6. Minerals

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Q7. What keeps food moving through the digestive system?

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A7. Fibre

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Q8. Where does food enter the body?

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A8. Mouth

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Q9. What do you call the organ where food is

absorbed into the blood?

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A9. Intestines

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Q10. What is the tube from mouth to stomach

called?

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A10. Gullet

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Q11. Where are faeces (mainly indigestible

foods) stored?

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A11. Rectum

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Q12. Where do faeces leave the body?

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A12. Anus

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Q13. What is the tiny finger shaped projection in the digestive system that helps absorb food into the bloodstream

called?

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A13. Villus

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Q14. What is the name of the semi-permeable tubing that only small

molecules can get through?

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A14. Visking tubing

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Q15. What is the muscular organ in your

body that churns up food?

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A15. Stomach

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Q16. What are the organic catalysts that speed up chemical reactions called?

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A16. Enzymes

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Q17. What building blocks are proteins

made of?

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A17. Amino acids

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Q18. What is needed to drive all life processes?

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A18. Energy

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Q19. When a diet has a healthy mixture of

different foods it is ... ?

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A19. Balanced

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Q20. What is the technical term for all the

foods that you eat?

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A20. Diet

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