The average adult’s body consists of approximately 70% water, and it is vital that this balance is maintained for good health. The water in your body is divided into two main fluid compartments; around 50% is called intracellular fluid and is contained within the cells, while the balance, extracellular fluid, is outside the cells.
Water performs numerous important biological functions in the body; it provides structural firmness at cellular level and makes up blood, lymph, gastric secretions, and urine. Water, in the form of synovial fluid, helps lubricate our joints; it also forms blood plasma, which transports oxygen, glucose, and amino acids to active muscle and tissue while carrying away carbon dioxide and lactic acid. Muscles produce acids, including lactic acid, during exercise, and an excess of lactic acid can impair muscle contractility and performance.
Water is also part of the human body’s internal thermoregulation system that ensures that your body remains at the correct temperature via sweating. We lose significant amounts of water through sweating; endurance athletes exercising in heat and humidity can be around 3 litres per hour.
Water keeps your mucous membranes moist, keeps your skin soft, supple and elastic, and keeps your joints cushioned from injury and lubricated. Your brain needs water in order to work optimally as it uses the water as a form of conductor for the “electricity†that it uses to send messages out to the rest of the body.
Without water your body would not be able to filter out and egest the toxins and waste products that come from what we eat and drink; the kidneys would not be able to send the urine to the bladder and your colon would be unable to get rid of the solid waste. If your body cannot get rid of toxins and waste you would become very ill and run a fever.
In short, if you want to remain healthy and perform both mentally and physically at the top of your game then you need to ensure that you keep your body hydrated at all times, and the best way to do this is to drink sufficient water throughout the day.
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