Read the following text and answer the question

Exercise 11. Read the following text and answer the question.

Jogging

Jogging is not only a popular outdoor leisure activity but also a daily exercise bringing US health benefits. First, jogging is good for your circulatory. Many studies have shown that those who jog regularly have heathier heart than those who don't. This means they seldom get diseases involved in the heart. Second, jogging is great for those who want to lose their weight. When you jog, your body will use great amount of calories for this activity. This means jogging helps to burn fat stored in your body, especially belly fat. Third, jogging is effective to increase the weight on bones, especially on feet and legs. It means it helps strengthen the bones to carry your body weight easily. Jogging also helps muscles stronger. Also, jogging might prevent US from catching a cold often. Some researches have found that it helps to strengthen the immune system in the body. So, if we invest time in jogging every day, we could easily avoid colds and flu. In short, we should do this activity every day to improve our health.

1. Who have healthier heart, those who jog regularly or those who don't?

2. How does jogging help you to reduce your weight?

3. What is ideal for increasing the bones weight?

4. Why might jogging prevent US from catching a cold often?

5. What should we do to improve our health every day?