Research has showed physical activities are very important for students. So many schools are now encouraging students to take part in any form of healthy exercise.
Physical education is an important part of healthy living for people of all age groups, especially for the students. This is because school life is full of stress.
Besides that, in today's world, many school children eat unhealthy foods. These may include soft drinks, pizzas and burgers. Eating these foods can make school children gain weight.
Physical education at school helps prevent school children from putting on weight. Physical exercise and activities will help them burn off more calories (卡路里). If these calories are not burned off, they will be stored as fat.
At the same time, such activities play an important role in the growth and development of the bones (骨骼). Exercise such as jumping is especially important for school children.
A physically active student will also have a healthy heart. Research shows that kids who perform aerobic (有氧的) exercise, two to three times a week for at least twenty minutes, have a healthier heart compared with those who don't take part in physical exercise. Some kinds of the healthy aerobic exercise are playing basketball, playing soccer and so on.
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