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The Human Body is an intricate machine that operates on a vast array of complex systems and processes. Its overall functioning is regulated by the Central Nervous System, which serves as the control center. The Circulatory System pumps blood throughout the body, supplying oxygen and nutrients to organs, tissues, and cells. It also removes waste products through the process of excretion. The Respiratory System takes in oxygen from the air we breathe, which is then transported to the lungs for gas exchange. Carbon dioxide, a waste product, is expelled from the body through exhalation. The Digestive System breaks down food into nutrients that are absorbed and utilized by the body. It also plays a crucial role in eliminating waste products. The Nervous System consists of the Central Nervous System and the Peripheral Nervous System. The Central Nervous System is comprised of the brain and spinal cord, which process information and transmit signals throughout the body.