biology
Across
- 2. carrys oxygen around the body
- 5. bile is stored here
- 8. where gas exchange takes place
- 11. where water is absorbed from food
- 12. bile is produced here
- 15. kills bacteria
Down
- 1. where the muscular walls are
- 3. where digested food is absorbed
- 4. speeds up the reaction of something
- 6. pupms deoxygnated blood
- 7. the lungs are protected by this
- 9. glands these produce amylase,enzyme in the saliva
- 10. sends electric current to keep the heart breathing
- 13. another name for the oesophagus
- 14. another name for carbohydrates