ORGAN SYSTEMS REVIEW 1(2)

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Across
  1. 4. Describes the diaphragm during exhalation (4,6)
  2. 5. Another name for the left atrioventricular valve
  3. 6. Blood vessels which contain blood flowing at the lowest speed
  4. 8. Strong yet flexible substance that supports much of the respiratory system's airways
  5. 11. Tiny hairs lining the trachea that move mucus out of the airways
  6. 12. A little less than half the volume of the blood consists of these
  7. 13. Sticky substance lining the trachea; traps airborne particulate matter
  8. 15. Describes the lungs during an inhalation
  9. 18. Of the circulatory system which reoxygenates the blood
  10. 19. Describes the intercostal muscles, which when contracting, lift the ribcage
  11. 20. Term generally used to denote the pumping of the ventricles
  12. 22. Take a big breath in and then a big breath out. The air expelled is called this (5,8)
  13. 23. Adjective, of the kidneys
  14. 24. Of the circulatory system which oxygenates the tissues
Down
  1. 1. A 'door' that protects the airways during swallowing
  2. 2. Pulmonary air sacs
  3. 3. Blood vessels which contain bloody flowing at the lowest velocity
  4. 7. A COPD caused by the disintegration of alveoli
  5. 9. Describes the diaphragm during exhalation
  6. 10. Occurs on relaxation of the arterial middle tunic
  7. 14. One of two vessels which connects to the right atrium (4,4)
  8. 16. Describes the relationship between the air pressure of the lungs and the atmosphere at the point between inhalation and exhalation
  9. 17. Adjective describing the only valves found in arteries
  10. 21. Exhaled air is typically 16% this by volume