HEART

 https://docs.google.com/presentation/d/1Itl7vCz9J4DF0GsaLvcpXV_p3ybp8GFO/edit?usp=drive_link&ouid=112418425102942225803&rtpof=true&sd=tru  







The heart is a muscular organ that is situated in the front of the chest. It pumps blood all through the body in a process called circulation. Apart from the heart, the blood vessels and blood as a unit constitute the cardiovascular system.

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