To prevent injuries, because if you are running around and exercising, if you haven't warmed up, you could pull a muscle or injure yourself. Cool downs help calm your body down and lower your heart rate.
Please leave a comment with the choices and I will answer your question. If not I would start with a sun burn as the least and cancer as the most serious.
I would go with answer D .banana and nuts
16 g
hope this helps!! :)))