adrenaline rush: the biology of speed

powerpoint presentation speed. it's fun to be scared nilufar yakubova 1. the razor's edge: risk, reward, and the fear factor 2. adrenaline rush: the biology of speed 3. beyond the limit: human endeavor and speed plan: adrenaline and the body adrenaline, or epinephrine, triggers the sympathetic nervous system, increasing heart rate by 10-20 bpm and boosting blood flow to muscles, preparing the body for "fight or flight" responses crucial to handling high-speed situations. the surge in adrenaline leads to a significant increase in blood glucose levels (up to 20%), providing the body with readily available energy for intense physical exertion needed to react and survive in fast-paced, dangerous scenarios. beyond heart rate, adrenaline impacts respiration; increasing breathing rate and depth, …

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