Question

definition of human heart ...koi Changi tahra explain krdo​

Answer 1

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. This is all about our human heart.

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Answer 2

Explanation:

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.