Such a scanty portion of light was admitted through these means, that it was difficult, on first coming in, to see anything; and long habit alone could have slowly formed in any one, the ability to do any work requiring nicety in such obscurity.
The intercellular material of blood is plasma as well as plasma proteins. In a normal blood sample, plasma represents 55 percent of the sample.hen blood is flowing through your kidneys and getting filtered a lot of things that go through the filter are salts, water, urea, glucose and some amino acids go through.
a chemical element, atomic number 11, atomic weight 22.990, symbol Na. (See Appendix 6.) Sodium is the major cation of the extracellular fluid, constituting 90 to 95 per cent of all cations in the blood plasma and interstitial fluid; it thus determines the osmolality of the extracellular fluid.