It similarly applies to other kinds of body fluid such as {HEAD ~ blood plasma}, {TAIL ~ blood serum}, urine and spinal fluid 
It similarly applies to other kinds of body fluid such as { HEAD ~ blood plasma } , { TAIL ~ blood serum } , urine and spinal fluid
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH