3f
1 D (runs to catch the bus, finishes at 4 pm , two hours homework, Spanish classes, music lessons)
2 G (33% of teenagers feel stress on a daily basis, 67% feel stressed out at least once a week, 78% said, etc)
3 F (can be caused by, can affect, body produces hormones)
4 C (adverse effect, feeling tired and weakened, cause health problems such as acne, high blood pressure, depression)
5 E (heart increases blood flow and pumps more oxygen around, reducing levels of cortisol, releasing adrenaline and endorphins.)
6 H (Just ten minutes of moderate exercise is enough to improve your mood, 30 minutes a day, gain all the benefits of)