Water Water Everywhere

Even In Our Bodies

Water plays a major role in our lives. It has many major requirements inside us to keep our bodies functioning properly.

Functions of Water

1. Regulates the body temperature so we don't get over-heated or freeze.

2. Allows the kidneys to function smoothly, avoiding kidney stones and urinary tract infections, and removing wastes from the body.

3. Lubricates and cushions the joints so that we can move and bend them easily.

4. Keeps tissues located in the mouth, eyes, and nose moist to keep our bodies hydrated.

5. Helps with the digestion and conversion of food into energy to allow us to perform tasks throughout our daily lives.

6. Provides protection and cushioning for vital organs such as the brain, which is about 75% water.

7. Transports nutrients and oxygen throughout the body to all cells.

What percentage of the body is made up of water?

Different people carry different percentages of water in their bodies.

Nearly 78% percent of water makes up the body of babies, which is the most out of all ages. In a years time, that percentage will most likely drop to 65%.

Adult men usually hold 60% and women only 55%, due to the amount of fat in the body.

Those with less body fat tend to have a higher percentage of water in the body.

Top 5 Organs Containing the Highest Percentage of Water

The Lungs - 83%

The Kidneys - 79%

The Brain - 73%

The Heart - 73%

The Liver - 70%

These organs are contain high percentages of water for protection and also to use for transporting cells and wastes from them.

How Much Water Should You Drink Everyday?

The daily amount of water lost, should be replaced by an equivalent amount intake throughout the day.

The average amount of water lost is 2.5 liters, meaning our intake should be 2.5 liters of water

Specific Heat

Specific heat allows our bodies to not get overheated or freeze. It takes longer for our bodies to heat up but also to become "cold".

Survival Without Water

After 3 to 5 days without water, the body can become parched. The respiratory system can be effected most negatively due to the high percentage needed and held in the lungs.

Water and Body Fat

The amount of water held in your body is considered "water weight" or weight. Fat comes from foods that we consume on a daily basis. As our amount of body fat increases, so does the water we hold due to the amount of space having to be upheld by the body expanding.


The increased loss of fluids verses intake.

Young children, older adults, and those with chronic diseases are more at risk.

Mild to moderate dehydration tend to show signs of dry, sticky mouth, dizziness and feeling lightheaded, sleepiness, thirst, etc.

Severe dehydration show more extreme signs of dizziness and sometimes unconsciousness. Also rapid heart beat and breathing along with low blood pressure.

Dehydration can lead to many different health risks such as heat injury, swelling of the brain, low blood volume shock, kidney failure. It can even lead to comas and even death.

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