Respiratory System

Questions

1. #88 Trachea and Esophagus: What criteria do you use to distinguish between the esophagus and the trachea? 
2. What is the distinctive structural component of the wall of the trachea?
3. What does the EM demonstrate regarding the air-blood barrier?
4. What are the features that distinguish bronchi from bronchioles? 
5. What is the importance of elastin in the respiratory system? 
6. Which cells are responsible from keeping the lungs free from obstructing particulate matter?  How do they carry out this function? 
   

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