Question

Concept of human heart for class 10.

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Answer 1

Answer:

The human heart is about the size of a human fist and is divided into four chambers, namely two ventricles and two atria. The ventricles are the chambers that pump blood and atrium are the chambers that receive blood. ... Then, the oxygenated blood is received by the left atrium from the lungs via the pulmonary veins.

Explanation:

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Answer 2

Answer:

The human heart is about the size of a human fist and is divided into four chambers, namely two ventricles and two atria. The ventricles are the chambers that pump blood and atrium are the chambers that receive blood. ... The right ventricle pumps the blood to the lungs for re-oxygenation through the pulmonary arteries.

Explanation:

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