please solve this question...
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this question is in Bengali i can't read bengali i can read English and i can understand English it is very hard to read and understand bengali language sorry very very sory
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Heart is the vital organ of the human body. Heart plays a major role in our body. The heart is responsible for major functions and transportation in our body.
Heart
The heart is an organ that pumps blood throughout the body. Human circulatory system is responsible for the transport of materials inside the human body. The organs of the circulatory system are heart, arteries, veins and capillaries. It comprises four chambers:
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