The Heart and Lung

2. the division between the left and right side of the heart.
6. keeps he trachea rigid while allowing the it to expand and lengthen when the person breathes.
7. the vein which carries deoxygenated blood from the body to the heart.
10. the body cavity that connects the nasal and oral cavities with the larynx and esophagus, also called throat.
11. pumps deoxygenated blood to the lungs using the pulmonary artery.
12. found between the atrium and the ventricles to prevent blood flowing back into the atrium when the ventricle contracts.
13. the windpipe.
14. receives oxygenated blood from the lungs and then pumps it into the left ventricle.
15. the artery which carries blood from the heart to the rest of the body.
16. the passages in the respiratory system that begin at the end of the bronchi.
17. This acts as a switch between the larynx and the esophagus to let air enter the airway to the lungs and food to pass into the gastrointestinal tract.
18. air sacks for gas exchange.

1. sends oxygenated blood back to the heart from the lungs.
3. These vibrate in the airstream to produce the voice.
4. carries blood from the heart to the lungs.
5. these tubes let air in and out of your lungs, so you can breathe.
8. receives deoxygenated blood from the body and pumps it into the right ventricle.
9. pumps oxygenated blood to the rest of the body using the aorta.