Chapter 16 Crossword Puzzle

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Across
  1. 3. the force that blood exerts on the walls of the arteries
  2. 6. a collection of organs whose primary function is to take oxygen and expel carbon dioxide
  3. 7. a collection of organs that transport blood throughout body
  4. 11. the flow of blood from the heart to all parts of the body and back to the heart
  5. 13. the passage from the mouth to the larynx and esophagus
  6. 14. the area of the throat that contains the vocal cords and produces vocal sounds
Down
  1. 1. the fluid that carries gases, nutrients, and wastes through the body
  2. 2. the flow of blood from the heart to the lungs and back to the heart
  3. 4. a blood vessel that carries blood away from the heart to the body's organs
  4. 5. two tubes connecting lungs and trachea
  5. 8. tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged
  6. 9. the tube connecting larynx and lungs
  7. 10. a vessel that carries blood to the heart
  8. 12. a tiny blood vessel that allows an exchange between blood and cells in other tissue