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Abhishek Tiwari

Class 12th
Biology
6 months ago

what is heart

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Abhishek Mishra

6 months ago

The heart is a fist-sized organ that pumps blood throughout your body. It's the primary organ of your circulatory system. Your heart contains four main sections (chambers) made of muscle and powered by electrical impulses. Your brain and nervous system direct your heart's function.

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