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When you get scared, your heart rate goes up, and thus your pulse goes up.

Your heart pumps adrenaline throughout your body and extra oxygen to your brain When you get scared, your heart rate goes up, and thus your pulse goes up. It is part of a natural (biological) reaction. Along with your heart rate going up, adrenaline is pumped through your body. this is also known as "fight or flight"

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16y ago

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