FNN 100 Lecture Notes - Lecture 13: Extracellular Fluid, Synovial Fluid, Semipermeable Membrane

• School: Ryerson University
• Department: Nutrition and Food
• Course: FNN 100
• Professor: Barbara Wendland

Document Summary

Fnn module 10 water & electrolytes. Polar molecule that has a positive charge at one end and a negative charge at the other. Ion an atom or group of atoms that carries an electrical charge. Osmosis diffusion of a solvent (mostly water) through a semipermeable membrane moving from an area of low concentration to high concentration of solutes. Medium for chemical reactions: prevents changes in ph, also as a transport medium. Provides protection/lubrication: tears protect eyes, synovial fluid for joints, saliva for chewing. Acid-base balance: chemical reactions in body typically occur in slightly basic solutions (7. 4) An ideal solvent due to its polarity (opposite electrical charges b/w h & o: allows it to surround solvents and disperse them. Blood = 90% water, muscle = 75% water, bone = 25% water, adipocytes = 10% water. Fluid compartments: intracellular water found inside the cells. Lower [sodium & chloride: extracellular all remaining fluid outside of the cell.