Answer
a. kidney
b. ureter
c. urinary bladder
d. urethra
e. renal artery
f. renal vein
Work Step by Step
a. The kidney is the organ mainly responsible for ridding the blood of metabolic wastes.
b. The ureter transports urine from the kidneys to the bladder.
c. The urinary bladder stores urine until it is excreted.
d. The urethra is the canal that leads urine from the urinary bladder to the external environment.
e. The renal artery supplies the kidneys with blood.
f. The renal vein takes blood from the kidneys back to the heart.
