Tuesday, 13 November 2012

1.1 Basic Needs Of Humans

Living things have basic needs. The basic needs of humans are food, water, air and shelter. Humans cannot stay alive without these basic needs.



A balanced diet consists of the correct amounts of all kinds of food that help us to stay healthy. Food gives us energy and help us grow. We need energy to walk, play and do work.


It makes up about 70% of the weight of the human body. We need to drink about 8 glasses of water a day.
1) can be obtained from fruits and vegetables.
2) helps to maintain body temperature.
3) helps to get rid of unwanted materials from the body.
                       Tarraced houses                                                                 Longhouses

Long ago, humans live in caves. A shelter is a place where humans live. It protects humans from dangers, the sun and the rain. Shelter keeps humans safe from bad weather like stroms and lightning. In cold countries, humans are sheltered from cold and snow. Nowadays,humans build many types of shelters.
Humans cannot breathe in water. Humans need air to breathe all the time. Each breath is shown by the movement of the chest.