Single circulation ,i.e, blood flows through the heart only once during one cycle of passage through the body, is exhibited by

In which of the following groups of organisms, blood flows through the heart only once during one cycle of passage through the body?

How does blood flow through the heart during the different phases of cardiac cycle ?

Describe the flow of blood through the heart of human beings.

Describe the flow of blood through the heart of human beings.

Explain : Blood goes only once through the heart in fishes.

What stops blood from flowing backwards through the heart ?

when the blood circulates twice through the heart in one complete cycle is called _______.