explain the working of heart . mention pulmonary and systemic circulation, heartbeat, blood pressure, hypertensionand some medical terms related to heart.
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The role of heart is just to pump the blood in our body. There are two process takes place in heart dystol (0.3sec)custom(0.1sec),there are three types of blood vessels in the human body: arteries,viens,& capillariesHEARTBEAT of a adult person is 60to100heartbeats per minute
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