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Which of the following statements about the cardiovascular control centre of the brain is TRUE?

waelhammad
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2022-10-18
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Which of the following statements about the cardiovascular control centre of the brain is TRUE?

  1. increased impulses along parasympathetic fibres causes vasoconstriction.
  2. output along the sympathetic fibres INcrease heart rate.
  3. output along the parasympathetic fibres INcrease heart rate.
  4. output along the sympathetic fibres DEcrease heart rate.
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waelhammad
2022-10-18
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B: Impulses travelling in the sympathetic fibres increases heart rate (in preparation for increased physical activity).

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