Answer:
maintenance of ionic balance
Step-by-step explanation:
This is a viscous fluid formed from the ultrafiltration of the plasma.it therefore contains plasma proteins and protein from the cells within the synovial cavities. It major role is to reduce friction by lubricating articular surfaces. Othrer functions are listed in the options except maintenance of ionic balance
The maintenance of ionic balance is maintained by homeostatic mechanisms and organs e.g kidney, in the body.