Based on what you know about the flow of urine from the kidneys, choose the statement that best describes what would happen if you were to stand on your head? a. the urine would flow backwards out of the urethra and into the kidneys. b. the urine would flow down to the bladder and then out the urethra. c. the urine would remain in the bladder because there are valves to prevent backflow. d. the urine would remain in the kidneys because the bladder would no longer be able to eliminate any urine.

I believe the answer is: C. The urine would remain in the bladder because there are valves to prevent backflow.

These valves are known as the ureterovesical valves. The valves are located meeting point between each ureter and this valve exist to prevent vesicoureteral reflux and protect your urine so it would not spilled to any other organ inside your body.

answer; /// i believe that the correct answer is (c) the concentration of active ingredients in a medication

the gravitational force on an object increase as the mass of an object also, im not going to report you, but this question should be under the science category, not health