Moderate

Faster heart rate is triggered by the _____________?

Correct answer: B. sympathetic nervous system

  • A. skeletal nervous system
  • B. sympathetic nervous system
  • C. limbic system
  • D. parasympathetic nervous system

Explanation

The sympathetic nervous system arouses the body during stress or action, increasing heart rate and alertness. The parasympathetic system generally produces the opposing rest-and-digest effects.

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