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Movement of the fluids and solutes within the body depends upon both macroscopic forces like the pressure within a blood vessel, and the microscopic forces that control the movement of individual molecules as they cross membranes. This section reviews the basic forces of diffusion, membrane transport of solutes, and the osmosis of water across membranes. Since the section probably repeats information from your undergraduate studies, you may safely skip it if you feel completely comfortable with its definitions and demonstrations. |
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Copyright 1999, Joe Patlak, Department of Physiology, University
of Vermont. |
