1. I think it is bloodstream
2. I am not sure
This is an incomplete question. Without further information, it's impossible to answer :( But here's some ideas . . .
Guidelines for narcolepsy - Put your hair in a braid and hang from the wall so you don't fall down
Walking: Try putting 1 foot in front of the other
The suffix ist means one who, that which.
Answer: C. Communication accommodation theory.
hope this helped
Explanation: