Over the last few months, South Africa experienced a devastating drought which left the land dry and water levels low. During this period, we were all reminded of how important water is, not only to humans, animals and plants, but to the economy as well. However, aside from being a vital natural resource, there are also many interesting facts about water which not everyone is aware of.
Did you know…
- Water makes up approximately 70% of an adult’s body.
- We all know that too much alcohol can lead to intoxication, but drinking too much water too quickly can cause water intoxication. When this happens, the water dilutes a person’s sodium level in the bloodstream and can cause an imbalance of water in the brain. Water intoxication often happens during intense physical activity.
- During childbirth, water makes up approximately 80% of an infant’s body.
- It is recommended that a person should drink eight glasses of water a day. This amount can include water gained from food and other liquid as well.
- An estimated 70 to 75% of the earth’s surface is covered by water.
- The average South African household uses about 250 litres of water a day.
- Hot water freezes faster than cold water.
- Unlike other liquids, water expands when it is frozen.
- A human being is able to live for approximately a month without food, but can only survive about a week without drinking water.
- Pure water has a pH level of 7.
- The same water which was around billions of years ago, still exists on earth today.
- Water is made up of two elements: hydrogen and oxygen.
Water also has a range of health benefits as well, including:
- Regulates body temperature.
- Good for the skin.
- Rids the body of toxins.
- Carries nutrients to different cells.
- Makes up over 80% of a person’s blood.
- Boosts energy levels.
- Helps protect vital organs.
- Helps prevent infections such as flu.