Across
- 3. The system that works with skeletal system to move.
- 4. The system helps to transport blood around the body.
- 6. Part of the fish that allows gaseous exchange to occur.
- 9. Gases enter and leave the air _____ in lungs.
- 10. _______ air is air that is breathed out.
- 12. vessels The body parts that carry blood to different parts of the body.
- 13. Gaseous exchange happens at the ______ openings of the leaves.
- 14. Air is a ______ of gases.
- 15. The most amount of gas in air.
- 17. The system helps to take in and give out gases.
- 18. _______ food can be found in the blood.
- 19. Has tiny airs, which filter air.
Down
- 1. An active _______ can help to strengthen our heart.
- 2. Substance that the blood carries.
- 5. Allows for gaseous exchange.
- 7. _______ air is air that is breathed in.
- 8. Carries air to and from the lungs.
- 11. The body part that pumps blood to different parts of the body.
- 12. A process where air is taken in and given out.
- 16. Substance that the blood carries.