Question

how can you show that tge diversities in circularory system of differnt animals

Answer 1

The circulatory systems of animals differ in the number of heart chambers and the number of circuits through which the blood flows. like we have 

Simple Circulatory SystemFish Circulatory SystemAmphibian Circulatory SystemReptile Circulatory SystemMammal and Bird Circulatory System
and all of these circulatory systems are different from one another and diverse
in all of these types of circulatory sys there is a different mechanism.