Reproduction & Genetics Crossword

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