Question

anyone plz explain double blood circulation....
it's really urgent 4 tmrws xam...

Answer 1

Double blood circulation is a simple way of saying pulmonary and systematic circulation happening together.

Pulmonary circulation

The pulmonary circulation is the portion of the circulatory system which carries deoxygenated blood away from the right ventricle of the heart, to the lungs, and returns oxygenated blood to the left atrium and ventricle of the heart.

Systematic circulation

Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body. From the tissue capillaries, the deoxygenated blood returns through a system of veins to the right atrium of the heart.

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