How does breathing change during exercise

Brian said that when you get your body broken such as a arm or leg. it means your bones break to pieces and must do surgery or get a cast to fix it.is it true or false?

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people

When it comes to our health and the treatment of diseases, technology has had a effect. a. very negative b. neutral c. positive d. negative