The importance of water Introduction : Life, both animal and plant, is impossible without water. Without water men die of dehydration About 70% of the human body is water. Of the total surface of the earth, 75 % is water and just below the surface of the land in most areas there is a saturated layer known as the water table. Animals and plants have large percentages of water in their make-up and some animals regulate their movements according to the water sources. Water: If there is no water there can be no life. The moon is a sterile desert because there is no water in it. It is to be remembered that it was water that determined the location of human settlements and without the Nile the Egyptian Civilization would not have developed The Nile provided the Egyptians facilities for irrigation and transport. As Herodotus said, Egypt is the "Gift of the Nile". Importance of water: The urban man rarely thinks of the importance of water. When he needs water, all he has to do is to ...