blood comes from the left atrium and is pumped by the atrium throught the mitral valve into the left ventricle.
hope this helps
post if you want the whole flow and ill be happy to explain =P
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The left ventricle pumps blood around the body whereas the right ventricle only sends it to the lungs in pulmonary circulation.
The left ventricle pumps blood to the systemic circulation. The right ventricle pumps blood to the lungs.
The left ventricle pumps blood to the aorta
The Left Ventricle has the thickest walls! The left ventricular myocardium is much thicker then the right ventricular myocardium because the left ventricle pumps blood into the aorta which takes blood to the rest of the body. (larger pressure gradient)
You get deoxygenated or impure blood from the whole body. It enters the right atrium. Right atrium pumps the blood in right ventricle. From right ventricle blood goes to your lungs. Here the blood gets oxygenated or get purified. Then it enters your left atrium. Left atrium pumps the blood in left ventricle. Left ventricle pumps the blood to your whole body.