Answer:
I HOPE I HELPED
Explanation:
the concerns of the challenges of being a US teen: what the data shows anxiety and depression serious mental stress is a fact of the life for many Americans alcohol and drugs in society and depression are the only concerned for us teens bullying and cyberbullying gangs poverty and teen pregnancy.THIS IS THE ANSWER BUT I PUT IT IN THE WRONG SPOT MY BAD
When the body starts to shiver, the body is slowing increasing heart rate. When your body hits cold air, your heart rate needs to rise, not only to to keep our body core temperature at 98.6 degrees but also to help guarantee to keep blood flowing up to our brains, our important muscles and internal organs.