Across
- 1. Maximum amount of air that can be exhaled after a deep inhalation.
- 5. Gas required by cells for respiration.
- 7. Muscle that separates the chest cavity from the abdominal cavity.
- 8. Organs responsible for gas exchange.
- 10. Narrowing of blood vessels.
- 12. Transport blood from the lungs to the heart.
- 14. Liquid component of blood.
- 17. Cell fragments involved in blood clotting.
- 18. Essential component of blood, regulating body temperature and transporting nutrients.
Down
- 2. Waste product produced by cells during respiration.
- 3. The amount of air breathed in and out with each breath.
- 4. Widening of blood vessels.
- 6. Small air passages in the lungs.
- 9. Tiny air sacs where gas exchange occurs.
- 11. Transport blood from the heart to the lungs.
- 13. The largest artery in the body.
- 15. The process of exchanging gases between the lungs and blood.
- 16. Cells that carry oxygen in the blood.