Across
- 3. What is a staple for humans?
- 6. What in saliva breaks down starch into maltose?
- 8. What is the food stored in animals?
- 9. Besides fatty acid, what else forms fat?
Down
- 1. What is undigested food known as?
- 2. What is food that is semi-liquid called?
- 3. Besides hydrogen and oxygen, what else does carbohydrate contain?
- 4. What is food that enters the oesophagus called?
- 5. What is the basic unit of protein?
- 7. How many types of vitamins are there?
