7. The four structures listed are part of the human excretory system. 1. bladder 2. Kidney 3. ureter 4. Urethra. In which order does a molecule of urea pass through these structures?

Question

7. The four structures listed are part of the human excretory system. 1. bladder  2. Kidney  3. ureter  4. Urethra. In which order does a molecule of urea pass through these structures?

Accepted Answer

2, 3, 1, 4

Answer

1, 2, 3, 4

Answer

1, 4, 3, 2

Answer

2, 1, 3, 4