Can you tell me about nerve is stimulated, what is most likely to occur with respect to heart rate and respiration?
Homeostasis. It depends on which nerve you stimulate, pick one and ask such as vagus nerve, facial nerve, etc.
Probably nothing. Heart rate varies with respiration normally. It is usually not sensible however. A low heart rate may be a normal occurrence in a conditioned person, however if the low heart rate causes fatigue, dizziness or passing out episodes, it needs to be evaluated. Usually, a treadmill stress test is done to see if the heart rate responds appropriately, if not, the person may need a pacemaker. Read more...