Intro to the Respiratory System

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Across
  1. 5. Protein that turns from bright red to dark red when gas concentrations change in blood
  2. 7. Muscle that forms the lower boundary of the chest cavity.
  3. 9. Sense of smell
  4. 10. Serous membranes that cover the lungs
  5. 11. Also called nostrils
  6. 12. Right lung- number of lobes
  7. 15. Air that is inhaled but never reaches the alveoli
  8. 17. Cavity that contains the lungs
Down
  1. 1. The process of substances moving from areas of high to areas of low concentration
  2. 2. Extra air that can be exhaled is called ___RV
  3. 3. In general, it is any serous membrane that touches the cavity
  4. 4. They prevent the trachea from closing
  5. 6. It means to moisture is added to the air
  6. 8. Location of the trachea in relationship to the esophagus (directional term)
  7. 10. General name for the tube system that warms inhaled air
  8. 13. The position(number)of the cranial nerve pair for smell
  9. 14. They are at the end of bronchioles
  10. 16. In general, it is any serous membrane that touches the organ it surrounds
  11. 17. Left lung- number of lobes