شرح منهج العلوم كامل 2009 بالانجليزي

[ولاء حمدان]

The importance of food for plants and animals

- Food is the source of energy for living organism




- Food supplies your body with heat energy needed to keep its temperature constant "37 oC in a normal state"



- Food is necessary for performing more vital activities carried out by the living organism.





- Food is necessary to keep our bodies healthy and protect them from some diseases.