Archive for the ‘Life is water’ Category
Water is an indispensable resource for living organisms and humans.
Its importance lies in the following aspects:
1. It is a source of life can not live without it or plants or animals or humans.
2. It is essential in everyday life:
· Use home: in the house for washing, cooking, water, etc.. Read the rest of this entry »
Many people feel admiration for nature, respect. They are sensitive to the beauty of wild scenery, plants and animals. In this generosity, compassion, nothing to do with a utility that can be natural, seeing it as something far more important than “natural resources” for using, selling or eating. Of course we need to use natural, but not good considering it only as something used.
The sense that nature is far more than the things that take advantage of, to realize that the existence of human beings share with nature, it is proud to disperse knowledge. This knowledge allows to look silly for saying “first is the man.” We must be good, but we should also respect others.
Freshwater pollution problem known since antiquity. One of the first historical evidence is the story of Scripture on one of the ten plagues of Egypt, which describes the transformation in “blood” from the Nile river water, a biological phenomenon because of contamination caused by microorganisms.
With increasing population and the emergence of industrial water pollution of rivers, lakes and even ground water continues to rise. Pollution caused by domestic and industrial waste, deforestation and land-use practices, significantly reduce the availability of water that can be used.
WHO and water pollution
Life is water, there is no life without water. The fact that the water is about 60% of body weight in men and about 50% in women much evidence of the importance of human life. Because the fat or adipose tissue contains little amount of water, the percentage of total water in obese individuals is less than that introduced the non-obese. The relationship between the total weight of water and body weight free of fat, lean body weight is known, fairly constant in adults the total weight of water represents about 72% of lean body mass. Aqueous space is divided into three compartments: the water in the cell or intracellular spaces, interstitial fluid (between cells) and intravascular fluid, which circulates in the blood vessels. As a curiosity it should be noted that the extracellular fluid has an ionic composition similar to seawater, although more dilute. The third compartment continuously watered in exchange for maintaining a proper balance in the body.