Across
- 3. carries blood away from the heart to the bodies organs
- 7. the part of the throat that contains the vocal chords
- 8. top chamber of the heart
- 10. a muscular organ that is about the size of your fist and pumps blood throughout the body
- 11. small tubes inside the lung connect to this sack that exchanges oxygen to the blood for carbon dioxide
- 13. the process by which a body gains and uses oxygen and gets rid of carbon dioxide and water. Includes breathing and cellular respiration
- 14. a collection of organs that transport blood throughout the body
- 18. the tube that connects the larynx to the lungs
- 20. two tubes that connect the trachea to the lungs
- 22. the force that blood exerts on the walls of the arteries
Down
- 1. the pressure inside the arteries when the ventricles relax
- 2. the flow of blood from the heart to the lungs and back to the heart through the pulmonary arteries, capillaries, and veins
- 4. a tiny blood vessel that allows exchanges between body cells and blood
- 5. the muscle that allows aer to flow in and out of the lungs easily
- 6. the pressure inside large arteries when the ventricles contract
- 9. transports oxygen and removes wastes
- 12. the flow of blood from the heart to all parts of the body and back to the heart
- 15. the group of organs that take in oxygen and get rid of carbon dioxide
- 16. open to let blood flow and doesn't allow blood to flow back
- 17. the passage way from the mouth to the larynx and the esophagus
- 19. bottom chamber of the heart
- 21. a blood vessel that carries blood back to the heart