Help someone ,and don't tell a soul about it.
What did you learn from it?
How did you feel?

happy

Explanation:

if i was to help somebody and the person thanked me i would be really happy and i will feel important

for question 8

1: it gets the blood pumping more

2: endorphins and other neurotransmitters

it's false.

"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."