When many muscles contract a little bit, simultaenous, it produces:\nOptions:\n- (A) forces\n- (B) heat\n- (C) cold blooded\n- (D) sweat\n- (E) electrical energy\n- (F) Energy\n- (G) pain\n- (H) thermal displacement
Reason slowly and give your answer.
(B)
Shivering occurs when many muscles contract a little bit all at once.

Heat production is increased by shivering and non-shivering thermogenesis.

Heat production is increased when many muscles contract a little bit, all at once.

.

So, the final answer is (B)