Answer:
A. Ureter
B. Urethra
C. Bladder
D. Kidneys
Step-by-step explanation:
I took a biomedical class last year! The kidneys (D) filter the liquids in our body, which then go through the ureters (A) to the bladder (C) and then you urinate through your urethra (B).
It's totally normal to learn this at your age, btw!