Question

Explain the diagram of human heart.​

Answer 1

• The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system. ... The left atrium receives oxygenated blood from the lungs and pumps it to the left ventricle.

Answer 2

Answer:

The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system. ... The left atrium receives oxygenated blood from the lungs and pumps it to the left ventricle.

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