Due to {HEAD ~ the location} of the device deep within the trachea, {TAIL ~ the liquid material} is sprayed in close proximity to the lungs, with resulting improved penetration and distribution of the sprayed material in the lungs 
Due to { HEAD ~ the location } of the device deep within the trachea , { TAIL ~ the liquid material } is sprayed in close proximity to the lungs , with resulting improved penetration and distribution of the sprayed material in the lungs
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH