Posts Tagged ‘Water’

The water of life

The water of lifeWater 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:

ยท Use home: in the house for washing, cooking, water, etc.. Read the rest of this entry »

Public Health Challenges

Almost all population growth over the next 30 years will take place in urban areas, indicating that urbanization is a phenomenon that shows no signs of disappearing.

This phenomenon affects issues such as water, environment, violence and injuries, communicable diseases and risk factors such as tobacco use, unhealthy diet, physical activity, harmful alcohol use and risks associated with disease outbreaks. Urbanization is a challenge for several reasons.

* Poor town who suffer disproportionately from many diseases and health problems, including increased risk of violence, and some chronic diseases such as tuberculosis and HIV / AIDS.

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Pollution of the Earth

Pollution

Introduction to biological, chemical or physical to the half outside. Any undesirable change the natural composition of the medium.

Lands
Wetlands (marshes, mangroves) is one of the ecosystems that produce more alive. Therefore, a large ecological importance and the danger disappeared. Overall assessment of the first revealed that more than 1,200 million hectares (equivalent to the combined areas of China and India) have experienced a serious degradation in forty-five years, according to data from the World Resources Institute.

Waters
Contaminate water is life itself. The entire life cycle, reproduction and human food, animal and marine who is affected. Currently, all the oceans of the world affected by oil spills. Almost every year, spilled into the sea 3.5 million barrels.

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Life is Water – no Life Without Water

Life is Water

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.

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