3 Bones -- Spine Action Planes

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The human body is a complex and fascinating machine that has been studied extensively by scientists and researchers from around the world. The human brain, which weighs approximately three pounds, is responsible for controlling every aspect of the body's functions, including movement, sensation, and emotion. It is comprised of billions of tiny cells called neurons, which communicate with each other through electrical impulses and chemical signals. The human heart pumps blood throughout the body 24 hours a day, seven days a week, without ever stopping or taking a break. The lungs breathe in oxygen and exhale carbon dioxide, while the liver filters toxins from the blood and the kidneys remove waste products. The digestive system breaks down food into nutrients that are absorbed by the body. The human immune system protects the body against disease and infection by producing antibodies that attack foreign invaders. The skin acts as a barrier to prevent harm from entering or leaving the body, while the eyes and ears detect light and sound waves that allow us to perceive our surroundings. Despite its incredible complexity, the human body is also incredibly resilient and able to heal itself quickly in response to injury or illness. With proper care and maintenance, it can continue to function optimally for many years, allowing us to live healthy and fulfilling lives.