23. Regular exercise
1. Choose the correct option:
1. b) Burns calories and strengthens muscles 
2. b) Endorphins 
3. b) By joining a sports team or exercising with friends 
2. Mark the following statements as true or false:
1. True 
2. False 
3. False 
4. True 
3. Answer the following questions: 
1. It is important to find an exercise activity you enjoy so that you are more likely to do it regularly and make it a habit. 
2. Exercise benefits physical health by strengthening muscles, improving the heart, and reducing the risk of diseases. It benefits mental health by releasing endorphins, reducing stress and anxiety, and improving sleep.