Question

flowchart of double circulation of human heart

Answer 1

In a double circulatory system there are two circuits for blood passing through the heart:

1).Pulmonary Circulation

Deoxygenated blood is pumped from the heart to the lungs, oxygenated blood returns to the heart from the lungs.

2.)Systemic Circulation

Oxygenated blood is pumped from the heart around the body (including all the organs). That blood returns to the heart deoxygenated (more accurately 'oxygen poor') because much of the oxygen it contained when it left the heart has been supplied to tissues in the body.

Answer 2

The diagram is in the picture
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