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DanielleElmas [232]

2 years ago

15

Why does my heart race when I get scared?

2 answers:

liraira [26]2 years ago

6 0

Answer:

fat and sugar make our bronchi open wider, causing heart beat and breathing rate to increase while adrenaline is pumping through our blood. this causes our heart to beat faster when we're scared.

Explanation:

hope this helps :3

frozen [14]2 years ago

5 0

Answer:

Your heart rate increase to pump more blood to your muscles and brain. Your lungs take in air faster to supply your body with oxygen. The pupil in your eyes get larger to see better.

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