Biology-Fright: Heart Thumps, throat Lumps, and Goose Bumps

SKU: BSp_Fall2018_biology_fright.jp
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How do you react when you are startled by a loud noise? 

Or when spooked by a scene in a scary movie? 

Today our frightened reactions may not be caused by life-threatening events, but at one point in history they would have helped our ancestors survive.


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