Question

Single circulation and doubal circulation

Answer 1

HEY MATE ^_^

Single circulation is when blood passes ones from the heart in one complete cycle. Single circulation takes place in fishes, etc.

Double circulation is when blood passes twice from the heart in one complete cycle. Double circulation takes place in mammals.

#Be Brainly

Answer 2

Singular circulation is a type of circulation in which blood travels from heart to lungs only at once  This type of circulation is seen in fishes etc  Double circulation type of circulation in which blood travels twice from heart to lungs