During a stress response, Lorna's heart rate, respiration, and blood pressure all increase. These changes describe the effects of increased amounts of

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The increase in heart rate, respiration, and blood pressure during a stress response is primarily due to the effects of epinephrine and norepinephrine. These hormones are released by the adrenal medulla and are part of the body's "fight or flight" response, preparing the body to respond to a perceived threat.

During a Stress Response, Lorna's Heart Rate, Respiration, and Blood