The diagram illustrates parts of the human body that produce and store urine. Liquid flows through tubes X, Y and Z in the directions indicated by the arrows. Which statement about the volume of liquid passing through Y in one day is correct?
- AIt is greater than that passing through X.
- BIt is less than that passing through Z.
- CIt is much less than that passing through X but slightly greater than that passing through Z.
- DIt is slightly less than that passing through X but much greater than that passing through Z.