Brain sends signals to the nervous system and identifies pain, pain can come from an injury which will need treatment in order to heal and ease the "pain" that you feel. That's what I understood from it atleast..
Yes, because it won't make much sense if you put them out of order.
Answer:
I can safely say that you can ignore the brain when studying the mind :)
Explanation:
studying a mind is like building a computer you morale worried about the interior and the information it is holding verses the exterior and the appearance.
. He was kind-hearted, unselfish, and always willing to give anything that he had to his companions.
4 is the one that makes the most sense i think