Across
- 1. Waste product that causes muscle cramps
- 3. Where aerobic respiration happens in cells
- 6. you go — formatted exactly for your generator:
- 8. Tiny air sac where gas exchange occurs
- 10. Taking in oxygen and removing carbon dioxide
- 12. Essential nutrient like calcium for bones
- 15. Helps food move through the digestive system
- 16. Eating the right nutrients in correct amounts
- 17. Bones that protect the lungs
- 20. Structure where photosynthesis occurs
- 21. Substance the body needs to stay alive and healthy
- 23. Extra oxygen needed after exercise
- 24. Used for growth and repair of body tissues
- 26. Tube that carries air to the lungs
- 27. Tube that branches into each lung
- 28. Fat used for energy storage and insulation
- 30. Organism that makes its own food using sunlight
Down
- 2. Main source of energy for the body
- 4. Sugar produced during photosynthesis
- 5. Anaerobic respiration in yeast
- 7. Muscle used for breathing
- 9. Releases energy without oxygen
- 11. Green pigment that absorbs light energy
- 13. To breathe out
- 14. Releases energy using oxygen
- 18. Organism that eats other organisms
- 19. Needed in small amounts to stay healthy
- 22. Process plants use to make food using light
- 25. To breathe in
- 29. Organs where gas exchange happens