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ChristmanWK1ForumQuestion1 - Organs are made of tissues...

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Describe the levels of organization in the body from simplest to most complex. The cells are the simplest part of the organization of the body and are the smallest part of our bodies that are living. An interesting aside - they were named cells because they looked like prison cells. Through their uniting, they form every part of our body, including the next level, tissues. Tissues are made of groups of cells and there are four different types in the body – muscle, epithelial, connective and nervous. Muscle tissue creates movement and there are three types of muscle tissues. Epithelial tissues form liners or barriers around parts of the body. Connective tissues bind, protect and absorb impact for the structural parts of the body. Cartilage is a connective tissue, as are tendons. And then nervous tissues are the communicators that send signals between the parts of the body and the brain.
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Unformatted text preview: Organs are made of tissues, which are made from cells, and they in turn make up a system. Each type of organ and system fulfill a specific function, depending on where they are in the body. Your skin is one organ, the largest actually; as is the heart, the most critical in this writer’s opinion; as are the stomach and kidneys and lungs and many other parts of the body. The most complex organization is all of these cells formed into tissues forming organs completing systems all working together as one human being – the body. It’s amazing to me to learn that the simple little cells that help form the hangnail on my finger tip are just as simple in structure as the cells that form my heart which keeps my body alive. Thinking about the body as being comprised of little microscopic cells that all somehow fulfill their own function of life is a very complex organization indeed....
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