Question

What is double circulation?

Answer 1

Answer:

Hyy mate here your answer

Double circulation is the most efficient way of circulation. Here, in humans, the four-chambered heart, arteries, veins, and capillaries all have a vital role to play. Blood gets pumped out of the heart. This blood goes to different organs and then blood again comes back to the heart.

Answer 2

Double circulation:

$\bullet$ It is a process during which blood passes twice through the heart during one complete cycle.

$\bullet$ This type of circulation is found in:

$\implies$ Amphibians

$\implies$ Reptiles

$\implies$ Birds

$\implies$ Mammals

However:

$\bullet$ It is more prominent in birds and mammals.