Second, by holding liquid water against the water transfer membrane 930 it provides a more consistent supply of water to {HEAD ~ the moisture} accepting {TAIL ~ fluid channel} 920, thereby acting as a water buffer 
accepting
Second , by holding liquid water against the water transfer membrane 930 it provides a more consistent supply of water to { HEAD ~ the moisture } accepting { TAIL ~ fluid channel } 920 , thereby acting as a water buffer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH