3D Himsley Chu

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The human body is a complex and intricate machine that has been evolving over millions of years to adapt to its environment. The human brain, which weighs about 1.4 kilograms, controls all bodily functions through electrical impulses that travel along the nervous system. The heart beats around 100 times per minute, pumping blood throughout the body. This process is vital for delivering oxygen and nutrients to cells and organs, allowing them to function properly.