<unk> , known by physiologists as micturition, or more simply as voiding, is the process of disposing urine from the urinary bladder through the urethra to the outside of the body. In healthy adults, the process of<unk>  is under voluntary control; in infants and individuals with neurological injury,<unk>  may occur as an involuntary reflex.
Urination
Sterilization 
Erection
Fermentation 
Transfusion medicine
Thermoregulation
Dressing 
Fluid