By Michael, on January 15th, 2013 
Everyone knows that we need water to live. But do we all know the reasons why?
If you recall your basic human biology class, you would know that two out of three parts of our body is made out of water and almost every aspect of our cellular function relies on it. You would also know that when this body fluid is lost through urine, feces, sweat, or even breathing, it should be replenished. Thus, the recommended 8-10 glasses per day.
Studies show that an average person can only survive 3-5 days without water, making it one of the most-needed survival supplies. If you think about it, it can even be more important than food, shelter, or clothing.
Here’s a list of reasons why you can’t survive without water:
Water transports nutrients and oxygen into the cells.
The blood, which is 80% water, serves as the medium by which nutrients, elements and oxygen are distributed throughout the body. These nutrients are delivered from the blood system to the cells in order for the body to function properly.
Water gives energy.
Water carries oxygen to the muscle cells. Proper hydration enables your muscles to work longer and harder. If you plan to engage in any physical activity, drinking water is needed to energize muscles and replace lost fluids.
Water is needed for breathing.
Breathing will not be possible without water. Why? When oxygen enters the lungs, water humidifies and moistens the air, facilitating the breathing process. Everyday, an estimate of 16 ounces of water is lost just from exhaling.
Water helps with metabolism.
Many studies, such as one published in the Journal of Clinical Endocrinology and Metabolism indicate that drinking water increases a healthy individual’s metabolic rate by 30 percent, resulting in weight loss. Aside from that, other activities that involve metabolism such as breathing and digestion also require water.
Water regulates the body’s core temperature.
Without water in the body, the body’s temperature rises and causes dehydration. If the heat continues to rise, the individual will experience heat stroke and eventual shock - or death. Drinking water will cool down your body’s temperature.
Water flushes toxins out.
Working hand in hand with the excretory system, water helps in removing waste materials and toxins from the body. The kidney filters liters of blood each day and eliminates waste products and toxic substances from the blood through urination.
Water strengthens joints.
Joints need to be cushioned and lubricated to remain flexible and strong. For pain-free and smooth movements, proper hydration is needed. Also, water prevents chronic illnesses of the joints such as gout.
Not enough water supply in the body can lead to a chain of fatal events. So during an emergency situation, it is always advisable to have purified drinking water and water storage containers on standby. Having drinking water systems at home is also a good idea.
About the author:
Based in San Diego, California, Melissa Page is a passionate writer and social contributor who works for several successful companies such as De Anza Water Conditioning, Inc. You can follow her on Twitter as @Melissapage90.
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