英语作文：阳光体育活动！

Good morning everyone:
Today I’d like to give a speech about the importance and meaning of sports and show some of my ideas on whether students in senior high school, grade three should take physical exercises for an hour everyday.
There is a saying that if you can take physical exercises for an hour everyday, you will be able to work in good health for fifty year and live happily for a whole life. That is true. Sports not only ensure us good health, but also bring happiness. It is said by neurochemist that doing sports can make body produce some chemical substance entering your blood which with the circulation reaches your nervous system and makes you feel excited. As to it is good for our health, it is obvious. Everyone knows life exists in action. Physical advisor says that sports can improve the function of lungs and heart, and also make your immune system work better to protect your body away from diseases.
As we all know that students of senior high school, grad