Samara is an astronaut in deep space away from gravity. How could her urine move away from the kidneys and to the bladder in such a situation?
A) skeletal muscle movements
B) peristalsis
C) the Valsalva maneuver
D) bladder suction pressure

Question

Quizplus · Accepted Answer

In the absence of gravity, urine is unable to move down to the bladder by the usual means of gravity-assisted flow. Instead, the urinary system uses muscular contractions called peristalsis to move urine through the ureters and into the bladder.

Samara Is an Astronaut in Deep Space Away from Gravity