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main part of the heart​

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Answered by ayshazameer2021
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Heart's Main Components

The heart is made up of four chambers. The upper two chambers are called atria (singular: atrium) and the lower two are known as ventricles (singular: ventricle). Muscular walls, called septa or septum, divide the heart into two sides.

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Answered by Anonymous
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I hope the above picture perfectly helps you mate

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