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Write about working of human heart

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Human heart present 4 camber firstly work of 2camber contain deoxyinated blood to filter the the heart than blood move to 2 down camber to carry Oyinated blood the through blood for over body
Tha work of heart is pumping.ln human heart have four chambered which called a double circulatory system.The oxidation blood come in human heart through left artieum to left ventrical in human body and deoxygeneted blood out thrpugh right artium to right ventrical in human body.
Heart pumps the blood in whole body. The pulmonary vein carries oxygenated blood from lungs. When all the chambers of heart on the relax position pulmonary vein push the oxygenated blood in left atrium when left atrium contract the blood goes into left ventricle through v¹(bicuspid) . v¹ helps in preventing of back flow of blood. When left ventricle contract the blood goes into aorta and aorta to whole body. From whole body the deoxygenated blood carries by veina cava. Veina cava send blood into right atrium when right atrium contract the blood goes into right ventricle through v²(tricuspid). When right ventricle contract the blood goes into pulmonary artery and pulmonary artery to lungs. This process continue held in our body.


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