Threats,but not challenges,increase the constriction of blood vessels.

Question

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When the body perceives a threat, the sympathetic nervous system is activated, leading to the release of adrenaline and norepinephrine. These hormones cause vasoconstriction, which reduces blood flow and increases blood pressure, preparing the body for a fight or flight response. Therefore, threats, but not challenges, increase constriction of blood vessels.

Threats,but Not Challenges,increase the Constriction of Blood Vessels