Velador Caballeros del Zodiaco (Saint Seiya)

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The human body is a complex and intricate machine. It consists of an estimated 37.2 trillion cells, each one working together to form organs, tissues, and systems that function seamlessly. Every cell has its own unique role, from muscle cells that enable movement to nerve cells that transmit vital information. Inside the body, there are approximately 650 muscles, including skeletal, smooth, and cardiac muscles. The muscular system is responsible for voluntary movements, such as walking, running, and lifting objects. It also helps maintain posture and regulate body temperature. The human brain is a massive organ weighing around three pounds and composed of billions of neurons that process information. The central nervous system, which includes the brain and spinal cord, transmits signals throughout the body, controlling everything from movement to emotions. In addition to muscles and the brain, the body contains other essential systems, including the circulatory system, which transports oxygen and nutrients to cells; the respiratory system, which takes in oxygen and expels carbon dioxide; and the digestive system, which breaks down food into energy. The human body is a remarkable machine that functions optimally when all these systems work together in harmony. Each system plays a vital role, from maintaining homeostasis to regulating hormones. Every cell has its own specific function, working together with others to keep the body healthy and functioning properly.