Question

What do you understand by the double circulation of human?
Please give a reply in Hindi.​

Answer 1

Answer:

the human circulatory system has three key components: blood vessels, blood and the heart is called double circulatory system because blood passes through the heard twice per circuit. The right side pumps deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart..

Hope this will help u........

sorry I don't know hindi and when I was answering u changed ur question