All the water on the planet is the same amount of water there was when the earth originally was formed. Overall water has remained the same for more than 2 billion years.
No one lives more than about 3-6 days without water.
The brain and heart are composed of 73% water, lungs are about 83% water, the skin contains 64% water, muscles and kidneys are 79%, and even the bones are 31% water.
The human body is composed of 60-75% water in total.
Water is an essential nutrient that carries oxygen to our brain, flushes toxins, while simultaneously regulating the body’s temperature, and much more.