Lower Respiratory Anatomy- Pierce Lewis

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Across
  1. 2. Pumps blood (Middle mediastinum)
  2. 4. Main breathing muscle (Base of thorax)
  3. 8. Protects heart/anchors ribs (center of chest)
  4. 10. Protective enclosure (Ribs and muscles)
  5. 11. Fluid filled friction reducer (Between pleural layers)
  6. 12. Tiny air sacs (Functional lung unit)
  7. 14. Food tube (Posterior to trachea)
  8. 17. Lines the chest cavity (inner thoracic wall)
  9. 19. Gas exchange organ (left thoracic cavity)
  10. 20. Individual site of gas exchange (Functional unit of lung)
Down
  1. 1. Start of gas exchange (Distal to terminal bronchioles)
  2. 3. T-cell maturation site (superior to heart)
  3. 5. Divides right upper/middle lobes (Right lung only)
  4. 6. Protective heart sac (surrounding the heart)
  5. 7. Carries deoxygenated blood (enters left lung)
  6. 9. Air channel
  7. 13. Connects bronchioles to sac (Deep lung tissue)
  8. 15. Cluster of gas exchange chambers (end of alveolar ducts)
  9. 16. Routes blood to lungs (Exits right ventricle)
  10. 18. Superior tip of lung (Deep to clavicle)