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 Let's be accurate as possible.
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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.
The final answer: (B).
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