Respiratory System

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Across
  1. 1. these divide the lungs into lobes
  2. 6. gaseous exchange take place here
  3. 8. large leaf-shaped piece of elastic cartilage that acts as a trap door when swallowing
  4. 11. breathing in
  5. 13. major muscle of respiration
  6. 14. voice box
Down
  1. 2. breathing out
  2. 3. increases surface area in the nasal cavity
  3. 4. oxygen is bound to this in red blood cells
  4. 5. volume the volume of one breath
  5. 7. the movement of water from a less concentrated solution to a more concentrated solution through a partially permeable membrane.
  6. 9. tubular passageway that extends from the larynx to the superior boarder of the fifth thoracic vertebra
  7. 10. The movement of particles down a concentration gradient, from an area of high concentration to an area of low concentration.
  8. 12. throat