When а decreаse in blооd pressure is detected by the centrаl nervоus system, the brain triggers several changes that will raise blood pressure back to its set point. This is an example of ________. During childbirth, uterine contractions send nerve signals to the brain, which triggers release of oxytocin from the pituitary. Oxytocin then promotes stronger, more frequent contractions. This is an example of ________.
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