{TAIL ~ The platelet rich plasma} flows into the second part and is separated into {HEAD ~ platelet poor plasma} and platelets 
{ TAIL ~ The platelet rich plasma } flows into the second part and is separated into { HEAD ~ platelet poor plasma } and platelets
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH