DLSAchaper16Science

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Across
  1. 4. one of the two tubes that connects the lungs to the trachea
  2. 6. collection of organs who's primary function is to take in oxygen and expel carbon dioxide
  3. 7. a tiny blood vessel that allows an exchange between blood and cells in other tissue artery a blood vessel
  4. 10. a collection of organs that transport blood throughout the body
  5. 13. a blood vessel that carries blood away from the heart to the body's organs
  6. 14. pressure the force that blood exerts on the walls of the arteries
Down
  1. 1. the tube that connects the larynx to the lungs
  2. 2. the flow of blood from the heart to the lungs and back to the heart through the pulmonary arteries , capilliaries, and veins
  3. 3. from the mouth to the larynx and esophagus
  4. 5. in biology, the exchange of oxygen and carbon dioxide between living cells and their environment; includes and cellular respiration
  5. 8. the area of the throat that contains the vocal cords and produces vocal sounds
  6. 9. a vessel that carries blood to the heart
  7. 11. any of the tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged
  8. 12. circulation the flow of blood from the heart to all parts of the body and back to the heart