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Incomplete double circulation found in 

Option: 1

Amphibian


Option: 2

Crocodile


Option: 3

Reptiles


Option: 4

Both (1) and (3) 


Answers (1)

best_answer

 

Working of heart in amphibians and reptiles -

In amphibians and reptiles, the left atrium receives oxygenated blood from the gills/lungs/skin and the right atrium gets the deoxygenated blood from other body parts. However, they get mixed up in the single ventricle which pumps out mixed blood

- wherein

This is called incomplete double circulation

 

 Correct option is 4

 

Posted by

Rakesh

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