How Does Urine Move from the Kidneys to the Urinary

question 138

Multiple Choice

How does urine move 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)by the bladder emptying and creating a negative pressure that pulls the urine to the bladder

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