The control means includes means for monitoring the operation of the heart and for actuating the valves to regulate {HEAD ~ fluid flow} to {TAIL ~ the second chamber} in accordance with same 
to
The control means includes means for monitoring the operation of the heart and for actuating the valves to regulate { HEAD ~ fluid flow } to { TAIL ~ the second chamber } in accordance with same
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 TAIL OTH OTH OTH OTH