The diagram illustrates the excretory system. Which row correctly names the labelled structures?
- A1: bladder; 2: ureter; 3: kidney; 4: urethra
- B1: bladder; 2: urethra; 3: kidney; 4: ureter
- C1: kidney; 2: ureter; 3: bladder; 4: urethra
- D1: kidney; 2: urethra; 3: bladder; 4: ureter