What kind of muscles move without conscious control

Skeletal muscle voluntary muscle that is attached to bones of the skeleton and helps the body move. Smooth muscle involuntary muscle that is found in the walls of internal organs, such as the stomach . Voluntary muscle that is under your conscious control.

The answer is b. increased blood flow reduces nerve sensitivity

Well, l think that some effective communication is, emotional barriers and lack of attention, interest distraction or irrelevance. also some physical disabilities such as hearing problems or speech difficulties.      l hope i am correct  and you good luck.