"Vital Connections: Exploring the Inner Workings of Your Body Organs"


The heart is an important organ in the human body. It is about the size of our fi st

and is located within our rib cage to the left of the centre of the chest. The heart is

made of a muscle called the heart muscle. We can control our arm and leg muscles,

but we cannot control the heart muscle. This muscle in our heart works all the time

even while we are sleeping.

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