S0067 VELOETURIA art.07 862 B

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The human body is a remarkably complex and dynamic system that consists of approximately 37.2 trillion cells. These cells are organized into various tissues and organs that work together to maintain homeostasis and overall health. The central nervous system, comprising the brain and spinal cord, processes information and coordinates bodily functions through a network of neurons that communicate with each other using electrical and chemical signals. The skeletal system, made up of 206 bones, provides structural support, protects internal organs, and facilitates movement by acting as levers for muscles to exert force. The muscular system, consisting of over 640 muscles, enables voluntary and involuntary movements by contracting and relaxing to generate forces that move the body or its parts.