Biology

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Which is the correct direction of blood flow?

a) right atrium --> right ventricle --> pulmonary artery

b) right atrium --> left atrium --> pulmonary artery

c) left ventricle --> pulmonary artery --> aorta

d) left ventricle --> left atrium --> aorta

  • Biology -

    (a) is correct for the flow of deoxygenated blood flowing on its way to the lungs for oxygen input.

  • Biology -

    b) right atrium --> left atrium --> pulmonary artery

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