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Why do you think some people turn pale when they are frightened? Scientific Biology answers only please, Thanks

has something to do with blood.

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Some people turn pale when frightened because the blood capillaries squeeze up. The adrenaline hormone is secreted from our pancreas while the body is in a great fright. That adrenalin will speed up the blood pump in our body. This will cause the blood not to flow to the extremities and it is kept near the vital organs.

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