3 Read the online FAQs again and answer the questions. 1 What times of the day can students do exercise, according to the FAQs? Before and after school and at lunchtime. 2 What can happen to the body when we don't stand up regularly? 3 How often do you need to move around when studying? 4 Why is the fitness ball unpopular with some people? 5 How can a fitness ball help your body? 6 Which activity can students do to relax, according to the FAQs?