CIRCULATION OF BLOOD THROUGH HUMAN HEART
CIRCULATION OF BLOOD THROUGH HUMAN HEART
CIRCULATION OF BLOOD:-
1)When the atrium of the heart is in the diastolic position then the blood from the other part of the body enters into the heart atrium.The de-oxyganated blood comes to the right atrium through superior and inferior venacava and oxyganated blood comes to the left atrium through the pulmonary vein.By the heart muscle through coronary sinus de-oxyganated blood comes to the right atrium.
2)When the atrium is getting blood filled the systole of the atrium occurs.When the pressure in the atrium get increased the bicuspid and tricuspid valve are open,then from right atrium de-oxyganated blood goes to right ventricle and from left atrium oxyganated blood goes to left ventricle.In this situation both the ventricles are in diastole position.
3)When the ventricles are blood fills, systole occurs. When the blood pressure of ventricles get increased the bicuspid and tricuspid valve closes and Pulmonary and Aortic valve remains open.Then the de-oxyganated blood from right ventricle goes to the lungs through Pulmonary arteries and oxyganated blood from the left ventricles goes to the other part of the body through Aorta.
Thus way circulation of the body carried out by the Heart.
Please see this diagram for better understanding:-
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1)When the atrium of the heart is in the diastolic position then the blood from the other part of the body enters into the heart atrium.The de-oxyganated blood comes to the right atrium through superior and inferior venacava and oxyganated blood comes to the left atrium through the pulmonary vein.By the heart muscle through coronary sinus de-oxyganated blood comes to the right atrium.
2)When the atrium is getting blood filled the systole of the atrium occurs.When the pressure in the atrium get increased the bicuspid and tricuspid valve are open,then from right atrium de-oxyganated blood goes to right ventricle and from left atrium oxyganated blood goes to left ventricle.In this situation both the ventricles are in diastole position.
3)When the ventricles are blood fills, systole occurs. When the blood pressure of ventricles get increased the bicuspid and tricuspid valve closes and Pulmonary and Aortic valve remains open.Then the de-oxyganated blood from right ventricle goes to the lungs through Pulmonary arteries and oxyganated blood from the left ventricles goes to the other part of the body through Aorta.
Thus way circulation of the body carried out by the Heart.
Please see this diagram for better understanding:-
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