Frogs Anatomy Excretory System

Select the correct route for the passage of sperms in male frogs:

1.	Testes → Vasa efferentia → Kidney → Seminal Vesicle → Urinogenital duct → Cloaca
2.	Testes → Vasa efferentia → Bidder's canal → Ureter → Cloaca
3.	Testes → Vasa efferentia → Kidney → Bidder's canal → Urinogenital duct → Cloaca
4.	Testes → Bidder's canal→ Kidney→ Vasa efferentia → Urinogenital duct→ Cloaca

In frog, the Renal portal system is a special venous connection that acts to link:
1. Kidney and intestine
2. Kidney and lower part of the body
3. Liver and intestine
4. Liver and kidney