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