Which organ stores urine prior to elimination?

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Multiple Choice

Which organ stores urine prior to elimination?

Explanation:
Urine is produced by the kidneys and then travels down the ureters into a storage sac—the urinary bladder. The bladder stretches as it fills, and its walls contain the detrusor muscle that remains relaxed to store urine. Sphincters around the outlet help keep urine in during storage: the internal sphincter provides involuntary closure, and the external sphincter is under voluntary control. When enough urine has accumulated and a convenient time is chosen, the bladder contracts and the sphincters relax to allow elimination through the urethra. Because of this storage function, the urinary bladder is the organ that holds urine prior to elimination.

Urine is produced by the kidneys and then travels down the ureters into a storage sac—the urinary bladder. The bladder stretches as it fills, and its walls contain the detrusor muscle that remains relaxed to store urine. Sphincters around the outlet help keep urine in during storage: the internal sphincter provides involuntary closure, and the external sphincter is under voluntary control. When enough urine has accumulated and a convenient time is chosen, the bladder contracts and the sphincters relax to allow elimination through the urethra. Because of this storage function, the urinary bladder is the organ that holds urine prior to elimination.

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