Question

What is double circulation and why it is called so?

Answer 1

hєч mαtє _____

hєrє íѕ чσur αnѕwєr _____

====================

humαn círculαtíσn íѕ cαllєd dσuвlє círculαtíσn вєcαuѕє humαnѕ hαvє α dσuвlє círculαtσrч ѕчѕtєm whích cσmpríѕєѕ twσ ѕєpαrαtє círcuítѕ tσ pump вlσσd thrσugh hєαrt twícє

====================

hσpє ít hєlpѕ чσu fríєnd

Answer 2

double circulation is the process in which the blood flows twice through the heart: once as oxygenated from heart to organs and once as deoxygenated from organs to heart.
It is called double circulation because the blood circulates twice