our pump (the heart) explain
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hey mate here's the answer
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heart have 4 chambers
Explanation:
Right auricle or atrium , left atrium , right ventricle and left ventricle
firstly deoxygenated blood comes to R.Auricle from their to right ventricle and after that to lungs and come back after oxygenation to left auricle and then to left ventricle and then pumped to whole body by largest artery arotic aorta
in this their are two pumping series
1) upper pump
in this blood from right and left auricle blood goes to right and left ventricles
2 ) down pumo by ventricles
in this pump blood goes from right ventricle to lung by pulmonary artery and to body by aritic aorta
and also from vena cava to right auricle and pulmanory vein to left auricle
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