The Human Body

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Date Submitted: 06/19/2012 02:02 PM

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The Human Body

There are twelve systems in the human body; they all work together to guarantee the body functions the right way. Digestive, Nervous, and Circulatory are three examples out of the twelve systems that I would like to focus on. These systems function very differently from each other, but they all work together for the benefit of the body.

The Digestive system is known for breaking down food and absorbing its nutrients. It is made up of other organs that also facilitate this process. When food is consumed in the mouth the process of digesting begins . After the food is chewed and swallowed the it goes down the esophagus. The esophagus is a large muscular tube that connects the mouth to the stomach. It uses a wave like movement to transport the food and break it down even more. When this process is completed the by-product enters the stomach. The stomach uses an acid, called Chyme, to digest the food at a more rapid rate. After the stomach the food travels into the small intestine. The small intestine continues to digest and compact the food in to a thick liquid. The small intestine then absorbs the nutrients from the consumed material. Everything that the body doesn't need is then pushed to the large intestine where the waste can be collected and processed into fecal matter. The digestive system works in a unique way to help the body process what is eaten, absorb the nutirients that are needed, and abolishes the excess waste.

Touch, taste, sight, smell, and hearing are the five senses that work together for the Nervous system. The Nervous system is a network that communicates signals to different areas of the body. The Nervous system is composed of two main parts; the central nervous system and the peripheral nervous system. The brain and the spinal cord are the primary organs of the central nervous system (CNS). The brain itself is responsible for things like the body's movement, thought processes, and is the trigger for nerve impulses that...