Question

what is double circulation?

Answer 1

Answer:

The human circulatory system is a double circulatory system. It has two separate circuits and blood passes through the heart twice: the pulmonary circuit is between the heart and lungs.

Answer 2

$\huge\bf\red{αиѕωєя}$

A type of blood circulation system in which the blood flows through the heart twice is known as double circulation... In this type of circulation, the pulmonary circulation is separate from the systemic circulation...

⚡Hope this helped⚡