Across
- 5. will affect the rate of photosynthesis
- 6. full of acid
- 10. acid will give you a stitch
- 12. drugs that can kill bacteria
- 15. substance in food for energy
- 17. poisoning caused by bacteria and bad hygiene
- 19. where gas exchange happens in the lungs
- 20. substance needed for respiration
- 22. disease caused by a virus
- 23. you can feel this in your arteries in your neck or arm
- 24. carry blood away from the heart
Down
- 1. one of the top parts of the heart
- 2. arteries have this in their walls
- 3. one of the bottom parts of the heart
- 4. produced as a waste gas in respiration
- 7. foot disease caused by fungus
- 8. how to stop a viral disease
- 9. where respiration happens in cells
- 11. carry blood back to the heart
- 13. can wreck your lungs
- 14. you can count these to measure photosynthesis
- 16. released during respiration
- 18. disease transmitted by mosquitoes
- 21. gas needed for respiration