Monday, January 19, 2009

What are the physiological functions of water?

Girl Water
Water is considered an indispensable food source, because it must be consumed from external sources to meet the needs of the metabolism. Approximately 60 - 70% of our weight is water. Water is a catalyst of many enzymatic reactions including those involved in digestion, absorption, transport and metablizam. Water is needed to facilitate kidney dropping of waste outside the body. Lubrication helps the joining, protects internal organs and maintain body temperature normal. Insufficient intake of water hinders cell function by provoking the electrolyte imbalance - reducing the volume of plasma and unable to regulirene body temperature.
What factors influence the availability of water in the body?
Most individuals do not consume enough water until the moment in which feel thirst. At this point, however, body fluids fell well below the level necessary for the normal functioning of the body.
On average, our body loses 2 liters of water per day. Loss increases in:
• exercise
• Heat time
• Low humidity
• high altitude

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