Respiratory System Period 7

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Across
  1. 3. Your voice box.
  2. 5. Another word for inhalation
  3. 8. A tube that transports air, food, and liquid. (throat)
  4. 9. The amount of muscles that contract during normal exhalation.
  5. 11. Another word for exhalation
Down
  1. 1. The gas that is taken into the lungs and brought into the bloodstream
  2. 2. The gas that is brought out of the body during exhalation.
  3. 4. Your windpipe.
  4. 6. The amount of primary bronchi tubes.
  5. 7. tiny sacs where gas is exchanged
  6. 10. Organs in the thoracic cavity which exchange respiratory gases