A teaching model 1, wherein {TAIL ~ at least some} of {HEAD ~ the members} are sufficiently transparent to see a bronchoscope tube if present within the members 
A teaching model 1 , wherein { TAIL ~ at least some } of { HEAD ~ the members } are sufficiently transparent to see a bronchoscope tube if present within the members
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH