The increased heart rate and blood flow to muscles allow for better strength and faster reactions. Meanwhile, the heightened senses help a person stay aware of their surroundings and make better decisions in critical moments. In addition to its role in responding to danger, adrenaline also plays a part in moments of excitement and thrill. For example, many people experience a rush of adrenaline when engaging in activities such as skydiving, bungee jumping, or riding roller coasters.

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