Biology, asked by barmy9914, 4 hours ago

Define human heart? which is the most important part of it

Answers

Answered by premkrdutta98

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. ... The right atrium receives blood from the veins and pumps it to the right ventricle.

Answered by lk4507099

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 right atrium receives blood from the veins and pumps it to the right ventricle.

Explanation:

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