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(D) When you are in a stressful situation like watching a horror movie, the body triggers the $	ext{fight-or-flight}$ response. This response is prim

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Both $(a)$ and $(c)$

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(D) When you are in a stressful situation like watching a horror movie, the body triggers the $	ext{fight-or-flight}$ response. This response is primarily mediated by the $	ext{sympathetic nervous system}$. The $	ext{sympathetic nervous system}$ stimulates the release of adrenaline, which increases the heart rate and inhibits salivary gland secretion, leading to a dry mouth. Since the $	ext{fight-or-flight}$ response is the physiological outcome driven by the $	ext{sympathetic nervous system}$, both options are correct.

You are watching a horror movie and you notice that your heart is beating fast and mouth is dry. This is due to:

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