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During moments of excitement, the body releases excess quantities of adrenaline (option 3). Adrenaline is a hormone produced by the adrenal glands and is responsible for the body`s response to stress or excitement. It triggers a "fight-or-flight" response, increasing heart rate, blood pressure, and energy levels. This hormone prepares the body for action by increasing blood flow to the muscles, improving alertness and reaction time.
Cortisone (option 1), also produced by the adrenal glands, is a stress hormone but is not released in excess during excitement. Serotonin (option 2) is a neurotransmitter responsible for regulating mood and emotions, but its release is not specifically associated with excitement. Oestrogen (option 4) is a female sex hormone and is not directly related to the body`s response to excitement or stress.
Therefore, the correct answer is option 3, adrenaline, which is released in excess quantity during moments of excitement.