Question

Arrange the following statements in the correct order in which they occur during the formation and removal of urine in human beings.
a) Ureters carry urine to the urinary bladder.
b) Wastes dissolved in water are filtered out as urine in the kidneys.
c) Urine stored in urinary bladder is passed out through the urinary opening at the end of the urethra.
d) Blood containing useful and harmful substances reaches the kidneys for filtration.
e) Useful substances are absorbed back into the blood.

Answer 1

The arranged statements are:
a) Blood containing useful and harmful substances reaches the kidneys for filtration.
b) Useful substances are absorbed back into the blood.
c) Wastes dissolved in water are filtered out as urine in the kidneys.
d) Ureters carry urine to the urinary bladder.
e) Urine stored in urinary bladder is passed out through the urinary opening at the end of the urethra.