Medical professionals can do this by injecting a radioactive isotope into the bloodstream and follow it's progress using imaging equipment (MRI for eg).
I can't think of way to do this at home.
If...
starting in the left atriumit goes throught the bicuspid valve (left atrioventricular valve)into the left ventriclethrough the aortic semilunar valveinto the aortadown the descending thoracic...
Let's start at the inferior and superior vena cava. They carry O2 poor blood into the right atrium which then flows to the right ventricle through the tricuspid valve. The right ventricle pumps the...
From spleen then inferior vena cava to capillaries to the nenules,small intestine large intestine, then to the right atrium, right ventricle to the pulmonry similunar valve to pulmonary artery hen...