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..
Wait is this Spanish ? Or you just giving free points ?
Might not be a great answer but:
Due to the 3/5 clause, each slave was counted as 3/5 of a person represented in congress. The south's political power relied largely on this fact.
The first one? Sorry I’m im wrong
