Across
- 3. – The voice box, located above the trachea
- 4. – Relating to the lungs, often used to describe circulation between the heart and lungs
- 5. – Blood vessels that carry blood back to the heart
- 6. – The throat, connecting the mouth and nasal passages to the esophagus
- 7. – The muscular organ that pumps blood throughout the body
- 9. – The upper chamber of the heart that receives blood
- 10. – The two large airways that lead from the trachea to the lungs
- 11. – Smaller airways that branch off from the bronchi within the lungs
- 13. – The muscle that helps in breathing by contracting and relaxing
- 15. – The flap of tissue that covers the windpipe during swallowing
- 17. – The largest artery in the body, which carries blood from the heart to the rest of the body
- 18. – Blood cells responsible for clotting
Down
- 1. – The liquid component of blood, containing water, salts, and proteins
- 2. are the clues for each term in your crossword puzzle:
- 3. – Organs responsible for the exchange of oxygen and carbon dioxide
- 5. – The lower chamber of the heart that pumps blood out to the lungs or body
- 8. – Small air sacs in the lungs where gas exchange occurs
- 12. – Tiny blood vessels where gas exchange occurs
- 14. – The protein in red blood cells that carries oxygen
- 16. – The windpipe that connects the larynx to the bronchi
- 17. – Blood vessels that carry oxygen-rich blood away from the heart