Lab1-Microscope%20and%20Cells%20Lab - Hunte-Brown & Sweney,...

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Hunte-Brown & Sweney, Bio 141 Spring 07-08 Microscope and Cell The Cell Name __________________________ Section________________ Day and time_____________________ Introduction The Cell is the smallest unit of a living organism . All living organisms are composed of one or more cells. Each cell has its own characteristic function upon which every organism relies for existence. Functions of an organism are compartmentalized within individual cells or within parts of each cell. There is a hierarchy of increasing complexity among living organisms and within cells. Different cells within multicellular organisms are specialized to perform different functions. Heart cells contract, kidney cells filter blood, and pancreatic cells secrete the hormone insulin to clear glucose from our blood stream. Many cells have a characteristic shape that directly relates to the function that cell carries out. Cells with similar structure and function are grouped together into tissues. Different tissues are combined into organs. Similar functioning organs are grouped together into an organ system. Multiple organ systems are organized into an organism. In this exercise, you will examine the features common to
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This note was uploaded on 09/23/2011 for the course BIO 141 taught by Professor Brown during the Fall '08 term at Drexel.

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Lab1-Microscope%20and%20Cells%20Lab - Hunte-Brown & Sweney,...

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