<span>These are nerves. They are the main way in which perception and response to stimuli take place in our environment. When the nerves are able to recognize the stimuli that we come in contact with, they transmit the message to the brain and allow us to make the proper response.</span>
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.
<em>The bradycardia results from expanded parasympathetic upgrade to the cardiovascular pacemaker.</em>
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.
