During the centrifuge process {HEAD ~ the red bloods cells} of the red blood cell fraction 222 force the buoy 14 in {TAIL ~ the direction} of the top 12 a of the tube 12 because the buoy 14 is less dense than the red blood cell fraction 222 
During the centrifuge process { HEAD ~ the red bloods cells } of the red blood cell fraction 222 force the buoy 14 in { TAIL ~ the direction } of the top 12 a of the tube 12 because the buoy 14 is less dense than the red blood cell fraction 222
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH