epinephrine (adrenaline)

Epinephrine, also known as adrenaline, is a hormone and neurotransmitter produced by the adrenal glands. It plays a crucial role in the body's immediate response to stress and danger. Epinephrine increases heart rate, constricts blood vessels, dilates airways, mobilizes glucose, and enhances overall physical performance, preparing the body for an emergency situation.

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