Across
- 1. tube that delivers air from mouth and nose to the trachea
- 2. also known as the voicebox
- 6. helps you inhale and exhale
- 7. responsible for fighting infection
- 10. carries blood from left atrium to left ventricle
- 11. responsible for clotting blood
- 13. carry air to and from your lungs
- 14. carries blood from lungs to left atrium
Down
- 1. carries blood from right ventricle to the pulmonary artery
- 3. carries blood from the aortic valve to the body
- 4. protects the airway from obstruction
- 5. the first part of the respiratory system
- 8. passage connecting your throat and lungs
- 9. allows us to breathe
- 12. carries blood from the left atrium to the left ventricle