what causes humans to become frightened?

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What creates the reaction that we have when somthing unexpcted happens suddenly

2007-02-27 12:43:27 · 4 answers · asked by woodysk8@sbcglobal.net 1 in Science & Mathematics ➔ Biology

Brain sends signal to adrenal glands, which release adrenaline aka epinephrine. Epinephrine is what makes you feel fear.

2007-02-27 14:14:53 · answer #1 · answered by Anonymous · 0⤊ 0⤋

I think you mean the fight or flight response.

2007-02-27 20:52:15 · answer #2 · answered by xplorshinji 3 · 0⤊ 0⤋

VD can make you pretty frightened!

2007-02-27 20:47:14 · answer #3 · answered by Carlos R 5 · 0⤊ 1⤋

some kind of endorphine

2007-02-27 20:50:52 · answer #4 · answered by anton t 7 · 0⤊ 0⤋