The process in which blood passes through the heart twice during one complete cycle of circulation in the body is called:
Question
The process in which blood passes through the heart twice during one complete cycle of circulation in the body is called:
Single circulation
Double circulation
Pulmonary circulation only
Systemic circulation only
Answer
Double circulation
Detailed Explanation
Blood passing through the heart twice during each cycle (once to the lungs, once to the body) is known as double circulation, seen in vertebrates other than fish.