NUTR 1010 Lecture Notes - Cerebrospinal Fluid, Amniotic Fluid, Extracellular Fluid
19 Mar 2013
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Document Summary
Fluid consists of molecules that are far enough apart that they can slide past each other (50-70% of our bodies consist of fluid) Most of our body"s fluid is intracellular (found inside of our cells) The rest is extracellular fluid, which can be found between the tiny gaps surrounding cells, as well as in our blood (plasma) and digestive secretions. Body fluids are made out of water and electrolytes charged particles dissolved in water (aka ions). Whether the electrolytes" charge is positive or negative dictates its function. Dissolve and transport transports all water soluble nutrients (e. g. carbs, amino acids, medications) which are unable to be transported by proteins. Accounts for blood volume allows us to maintain a healthy blood pressure which makes blood transport of oxygen, nutrients, hormones, etc. possible. (this is why low blood pressure causes fainting) Helps maintain healthy body temperature (water keeps us cool)
