explain the mechanism of heart working.
Answers
Answer:
The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.
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Answer:
The main function of heart is to pump the blood to the different organs non stop and also collect the blood from these organs.. young human heart beat at the rate of 72 to 70 times per minute this is called the rate of the heart beat
Explanation:
heartbeat heartbeat has two phases
1. systole
2.Diastole
when decrease the volume of heart in systole- heart pumps blood to artery.
Increase the volume of heat in diastole- carry deoxygenated blood in the heart by Vien