Osmolarity and Body Volume
Summary :
Table of Contents
- Introduction
- Materials and methods
- Results
- Discussion
- Citations
Abstract
Water comprises a very large part of an organism's body. The delicate balances within the systems of an organism involve the concentrations of, to name a few, Na+, K+, Cl-, and Ca2+ salts (Dilger and Collins, p. 9). There are two types of fluids within organisms; the ICF (intracellular fluid) and ECF (Extracellular fluids). Every organism regulates the tonicity of the ICF. However, the ECF can be regulated or non-regulated. Organisms fall into two categories based on this distinction. These categories are the osmoconformers and the osmoregulators (Dilger and Collins, p.9). Osmoregulators have special mechanisms to keep their BFOC (body fluid osmotic concentration) constant, independent of the EOC (environmental osmotic concentration). Osmoconformers, on the other hand, have a BFOC that is directly related to the EOC ( Dilger and Collins, p.9).
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