working of heart explain
Answers
Answer: Heart play's major role in the body
Explanation:
Heart pump's out the blood
It get's deoxygenated blood and it pump's out oxygenated blood.
The atria and ventricles work as a team — the atria fill with blood, then dump it into the ventricles. The ventricles then squeeze, pumping blood out of the heart. While the ventricles are squeezing, the atria refill and get ready for the next contraction.
The atria and ventricles are parts of heart
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Answer:
The heart is a muscular organ that pumps blood continuously throughout the body. It is comprised of four chambers — the right and left atrium and the right and left ventricle. The chambers of the heart work together by alternately contracting and relaxing to pump blood throughout the heart.