We should Take Muscular Exercise.~--When you get tired of study, an hour's play, or exercise of some sort, rests you and makes you feel brighter, so that you can learn more easily.

This is because exercise is necessary to make the blood circulate well.

It will then carry out the worn-out particles and supply the brain and nerves with fresh, pure blood.

So the same exercise which makes our muscles strong makes our brains healthier also.
~6.

We should be Careful of our Diet.~--We ought to eat plenty of good, simple food, such as milk, fruits, grains, and vegetables.