What causes the urge to urinate?
A. stretch receptors in the bladder wall
B. pressure on the liver as the bladder expands
C. osmosis as the bladder becomes saturated with moisture
D. tension as the ureter is filled with urine
A. stretch receptors in the bladder wall
B. pressure on the liver as the bladder expands
C. osmosis as the bladder becomes saturated with moisture
D. tension as the ureter is filled with urine