Which one of the following shows the correct sequence of the path of urine in the human excretory system?
1
Kidney → Urinary bladder → Ureter → Urethra
2
Kidney → Urinary bladder → Urethra → Ureter
3
Kidney → Urethra → Urinary bladder → Ureter
4
Kidney → Ureter → Urinary bladder → Urethra