Answer :

Diving response

Explanation:

  • The plunging reaction in human beings is described by breath-holding, easing back of the pulse (jumping bradycardia), decrease of appendage blood stream and a continuous ascent in the mean blood vessel circulatory strain.
  • The bradycardia results from expanded parasympathetic upgrade to the cardiovascular pacemaker.  
  • Hydrostatic weight on the outside of the body because of head out drenching in water causes negative weight breathing which movements blood into the intrathoracic circulation.

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