Describe the three basic needs of a human being? .air , water and food
Answers
Answer:
Explanation:
AIR IS FOR BREATHING REQUIRMENTS
WATER AND FOOD IS FOR BASIC SURVIVAL NEEDS
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Answer:
1. Air
Air is the first essential needs of life on earth. Besides the need for oxygen in the air for breathing, there are many other important roles of air in human life and nature. The uses of air and its applications include Air is a non-visible form of matter which is free-flowing and in the gaseous state.
2. Water
Around 50 – 70 per cent of our body is made of water. Therefore this amount should always be present in the human body. It is the only source via which all the important nutrients, vitamins, minerals and other wastes in the body are transported. Water also plays a vital role in regulating the body’s temperature.
3. Food
Food is needed by the human body for energy, to repair and build cells and to prevent sickness and heal from it. While it is possible to obtain nutrients in a scientifically controlled manner, common food is the most efficient way of obtaining energy and nutrients.