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Heart ---- 

It is a small muscular organ which pumps blood through all over the body.

It helps to pump the blood through blood vessels and it helps to provide oxygen and nutrients.

Different Parts---

Heart consist of 4 chambers mainly -
1. Left Atrium
2. Right Atrium
3. Left Ventriculum
4. Right Ventriculum
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Heart is pear shaped and muscular shaped organ which pumps blood throughout the body parts and it is divided into right auricle and ventricle and left auricle and ventricle

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