Answer:
1. C
2. D
3. A
4. B i think
5. Do breathing exercises.
Six and seven I didn't read the article so I can't help you with those but I hope the other answers are correct!
Head injury, as your head is your skull, damaging your skull is very serious as your brain is located there and damaging your brain could probably kill or limit some abilities
Answer:
I believe its C. I'm not 100 percent sure.