Circulatory Systems in Insects, Fish, Amphibians

and Humans

Circulatory System

Open Circulatory System

Eg. : Insects

Single Eg. : Fish

CompleteEg. :

Human

IncompleteEg. :

Amphibian

Double

Closed Circulatory System

Open Circulatory System

Eg. : Insects

Closed Circulatory System

Single Eg. : Fish

Single Eg. : Fish

IncompleteEg. :

Amphibian

IncompleteEg. :

Amphibian

IncompleteEg. :

Amphibian

CompleteEg. :

Human

CompleteEg. :

Human

CompleteEg. :

Human

CompleteEg. :

Human