Urine moves from the kidneys to the urinary bladder through the ureters
a. by active transport
b. passively by the force of gravity
c. by peristaltic contraction of the smooth muscle of the ureters
d. when the bladder empties, creating a negative pressure that pulls urine to the bladder
e. when nephron collecting ducts apply hydrostatic pressure to push the urine along
C
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