Do you like sport?
Why we need to exercise?
We can think about several thousand years ago.
Our ancestor are working in forest.
You want to get some food.
Suddenly,
One big tiger here in front of him.
What should he do?
The answer is: Run.
If he's faster than the tiger.
He can alive.
Or he will die.
So we must do sport, Do exercises.
We can't always lie.
And another things is,
If you want to more healthy, You must do exercise too.
So come on,
Let's sport.
See you
