Circulation and Respiration

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