Barrow Castle

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The human body is a complex and intricate machine, capable of performing a wide range of functions that are essential to its survival. Its nervous system, comprising the brain and spinal cord, serves as the control center, transmitting signals throughout the body that allow it to move, feel sensations, and think. The heart pumps blood through a network of arteries, veins, and capillaries, supplying oxygen and nutrients to every cell in the body.