Across
- 5. carries blood away from heart
- 6. tiny blood vessels where gas exchange occurs
- 9. diffusion of oxygen from lungs into blood (3,8)
- 10. body using the absorbed nutrients
- 12. carries oxygen around the bloodstream (3,5,5)
- 15. measurement of energy found in food
- 17. putting food into your mouth
- 19. removal of indigestable fibre
- 20. regulates blood sugar levels
- 21. upper chamber of heart
- 23. uptake of nutrients into your blood
- 24. lower chamber of heart
- 25. carries blood towards heart
- 26. branches off from trachea
Down
- 1. type of digestion, involves crushing large food chunks
- 2. if you ate a healthy variety of food (8,4)
- 3. breaking down food so it is small enough to be absorbed
- 4. prevents back flow of blood
- 7. type of digestion, involves enzymes
- 8. wind pipe
- 11. air sacs in lungs
- 13. catalyst that speeds up reactions
- 14. smaller bronchi
- 15. for example sugar
- 16. important for growth and repair. Approx. 1/4 of your diet should consist of this.
- 18. releasing energy from food
- 22. a main food group, need to minimise intake