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Unformatted text preview: cell membrane Several smaller cells are more efficient than one larger cell because the ratio of surface area to volume is greater Cells in the human body are organized into tissues Nerve ,Muscle, blood, connective and epithelial are types of tissues that are found throughout the body The cells in tissues are all alike or very similar and have the same function Groups of tissues are organized into organs. Groups of organs are reffered to as organ systems. The brain, heart , kidneys, lungs and stomach are examples of organs that have one or more types of tissues The...
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- Fall '10