people want to have good health.what is good health?you are feeling strong and well.your eyes are bright and clear.your face is clean and fresh.you feel happy and ready for anything.you enjoy your work and life.you are in good health.exercise is one of the forms to keep our body in good health.exercise trains the muscles and makes them stronger.you can walk and throw a ball because you have trained your muscles to do these things.feel the soft part of your arm.you are feeling muscles.when you bend your arm you can feel the big muscles move and become firmer.exercise not only keeps the muscles of the limbs and body in good condition,but also strengthens the muscles of the heart and organs of breathing.exercise helps to make the heart strong.have you ever felt your beat?it beats faster when you are running than when you are sitting still.the heat pumps blood more freely when we do exercise,and serves all parts of the body better.exercise helps the lungs to do better work.too full and rapid breathing develops the muscles of the chest.let's take part in exercise.the earlier,the better.
鍛煉與健康
人們想要健康.什么是健康呢?你感覺到強壯和好.你的眼睛明亮而清晰.你的臉清潔而新鮮.你感到高興和時刻為任保事裝備著.你滿意你的工作和生活.那你生活在健康中.鍛煉是保掛我們身體健康的方法之一.培養(yǎng)鍛煉肌肉使他們更加強壯.你可以走路和扔球是因為你觸摸你手臂柔弱的部分,你可以感覺到你的肌肉.當你彎曲你的手臂你可以感到大塊的肌肉移動并變得堅硬.鍛煉不僅使維持你四肢的肌肉和身體情況良好,但同樣也加固心肌和呼吸.鍛煉有助于使心臟強壯,你是否曾感覺到你的心跳?當你跑步的時候心跳比你保掛靜止的時候快些.當我們鍛煉時心更自由的供應多的血液.并且能為身體的各個部分提供更好的服務.鍛煉有助于肺更好的工作.肺充滿并且迅速的呼吸發(fā)展發(fā)胸腔的肌肉.讓我們參與鍛煉,越早,越好.