Answer:
Primary functions of the biceps brachii is flexion of the elbow and supination of the forearm. In fact, it is the prime mover of forearm supination.
It is B , I know this thanks to the fact I took PE and our teacher teach us about the body !
The body shivers, shivering is something your body does in oder to keep warm. It is moving the muscles around, and trying to heat you up.
