It's also known as the "Thinking person workout".
Answer:
decisions
Explanation
make sure what thier decision if they agree or disagree
The immune system doent take it as a threat but other systems would take it as a threath
Because the words that come out of your mouth pretty much say everything about you, and to use personal communication in a professional enviroment would make you look unprofessional.
The brain.
which is why nicotine has such diverse and wide ranging effects