3E Respiratory System

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Across
  1. 1. Which surface of the lung is adjacent to the heart and other thoracic organs?
  2. 5. The larynx contains the true vocal _____.
  3. 6. Known as the windpipe.
  4. 7. smaller and more numerous than bronchi.
  5. 9. The ______ membrane consists of 2 layers.
  6. 10. A few ______ bud off the respiratory bronchioles.
  7. 11. A funnel shaped muscular organ that extends from the base of the skull to the esophagus.
  8. 12. The pulmonary ______ brings deoxygenated blood from the heart to the lung.
  9. 13. The _____ primary bronchus is wider, shorter, and straighter than the left.
Down
  1. 2. The alveolar _____ are long thin-walled tubes of connective tissue and smooth muscle.
  2. 3. How many regions is the pharynx divided into?
  3. 4. A cartilaginous tube for the passageway of air.
  4. 5. What is the alveolar wall covered in?
  5. 8. What fissure is on both the right and left lungs?
  6. 14. How many fissures does the right lung have?