Libby Yonago lower respiratory anatomy

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Across
  1. 2. inferior to heart and lungs but superior to liver and stomach
  2. 7. tiny terminal airways, connecting the respiratory bronchioles to the alveolar sacs
  3. 9. fissure separates middle and upper lobes of right lung
  4. 12. the breastbone =, connecting the ribs via cartilage
  5. 17. the smaller lung
  6. 18. the larger lung
  7. 19. concave surface of the lung
  8. 20. between the sternum anteriorly and the pericardium vessels posteriorly
Down
  1. 1. also in upper respiratory system
  2. 3. pulmonary circulation, carrying deoxygenated blood to the lungs
  3. 4. muscular tube for transition from voluntary muscle to involuntary muscle
  4. 5. lub-a-dub-dub-dub
  5. 6. thymosin produced hormones
  6. 8. features 12 pairs of ribs
  7. 10. smalled lung lobe
  8. 11. double-walled sac in the middle mediastinum of the chest
  9. 13. superior pulmonary artery, inferior veins,m and posterior bronchus
  10. 14. transition point before respiratory bronchioles start
  11. 15. surrounded by the chest wall, diaphragm, and mediastinum
  12. 16. distal ends of the bronchial tree, walls only one cell thick