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While walking in the forest, I suddenly hear a hissing sound. My heartbeat increases, breathing becomes short and rapid, pupils dilate, etc. This is due to the activation of: -

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Question

While walking in the forest, I suddenly hear a hissing sound. My heartbeat increases, breathing becomes short and rapid, pupils dilate, etc. This is due to the activation of:

Options

  • Sympathetic nervous system

  • Parasympathetic nervous system

  • Hypothalamus

  • All of the above

MCQ

Solution

Hypothalamus

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