• Clean laboratory surfaces before and after laboratory procedures.
• Wear disposable gloves for the wet mount procedures of the cells lining the inside of the cheek.
• Dispose of laboratory gloves, slides, coverslips, and toothpicks as instructed.
• Wash your hands before leaving the laboratory.
Cells are the "building blocks" from which all parts of the human body are formed. They account for the shape, organization, and construction of the body and are responsible for carrying on its life processes. A cell consists of three major parts—the cell (plasma) membrane, the cytoplasm, and the nucleus. The cytoplasm is composed of a clear fluid, the cytosol, and numerous cytoplasmic organelles suspended in the cytosol.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.