The symbol is also an Ancient Egyptian hieroglyph which represents the hieroglyph Â´nh (ankh) meaning life or breath of life. The glyph appears in an incredible number of inscriptions and was often used as a decorative device.
Some of the common summer viruses-- in particular the enteroviruses that can cause diarrhea and the well known hand-foot-mouth disease-- are easily acquired from other children who swim in the same pool. Drinking too much pool water can also cause diarrhea because of the chlorine. Although swallowing some pool water is inevitable, teaching a child proper technique in the water may save you from having to deal with this intestinal complaint.
Chlorine exists in the form of a salt (chloride) in the human body. It is present mostly in the extra cellular fluid. Chlorine is a greenish-yellow poisonous, gaseous element with a suffocating odor. In the body it is mostly present as sodium chloride or common salt, which performs various essential functions. Combining with sodium, it forms the most important electrolyte in the body. It is needed to perform various cellular activities in the body. It carries electric charges from one cell to another.