Lairds Railing - Display FLOOR 2

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The human body is a complex and intricate machine that functions perfectly when all of its various systems are working together in harmony. The nervous system, which includes the brain and spinal cord, controls almost every function of the body, from movement to sensation to emotion. It does this by sending electrical impulses through the nervous system's vast network of neurons, which transmit information at speeds of up to 200 miles per hour. The circulatory system, which includes the heart, arteries, veins, and blood vessels, delivers oxygen and nutrients to cells throughout the body and picks up waste products that need to be removed. It accomplishes this through a process called circulation, where the heart pumps blood through the body's vast network of blood vessels at speeds of up to 100 miles per hour. The respiratory system, which includes the lungs, trachea, bronchi, and diaphragm, is responsible for bringing oxygen into the body and removing carbon dioxide. It does this by taking in air through the nose or mouth, where it passes over tiny little hairs called cilia that help to filter out dust and other particles. The digestive system, which includes the mouth, esophagus, stomach, small intestine, and large intestine, is responsible for breaking down food into nutrients that can be absorbed by the body. It does this through a process called digestion, where enzymes break down food into smaller molecules that are then absorbed into the bloodstream. The immune system, which includes organs such as the spleen, thymus, and lymph nodes, helps to protect the body from infection and disease by producing white blood cells that can attack invading bacteria and viruses. It also produces antibodies that can recognize and neutralize toxins and other foreign substances. The endocrine system, which includes glands such as the pancreas, thyroid, and adrenal glands, produces hormones that help to regulate various bodily functions, such as growth, metabolism, and reproductive processes.