1.3 Uses and Importance of Water


Up to 60% of the human adult body is water. The brain and heart are 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%

“Water is the most crucial natural resources not only for human but all life on earth. Let’s take a look on importance and usage of water in our daily life”

Drinking Purpose – Potable water mostly used for drinking purpose. Our body losses water by breathing, sweating and digestion. It is important rehydrate body by drinking fluids and eating foods that contains water.

Farming & Irrigation – Food is the basic need for every human being. food is grown in various parts of the world according to the climatic condition, but we need water for all kinds of crops need. We all know how water, sunlight and nutrition from the soil are key to a plant’s growth. Every year farmers sow seeds and wait for rains to replenish their farms to get their crops ready for the harvest season

Have you come across any field that is irrigated without water? I think you might not have had even heard about it, let alone witnessing it from the bare eye. Water is an essential part of the process of irrigation. It is required by farmers at every step, from seeds to the crops’ harvesting.

Household Needs – Water not only help food to get boiled and it also kills all the germs in your food making it healthy. We need water for making tea or food and, we clean vegetables in water before we cook. We need water for cleaning and washing whether it is our body or our house. Water also cleanses and breaks down waste that humans so abundantly make.

Water is the base of our life. Everyday life necessitates the consumption of water by the human body. We can last for a week without food, but we can’t even last three days without water. Water also makes up 70% of our body fluids.

“We understand the concept of water, its sources and how much its important in our daily life now in next chapter we will read how wasting of water is leading to a serious problem.”