Asked by Wrstghhn
Which of the following is an example of positive feedback?
Contractions in childbirth
Regulation of blood glucose levels
Regulation of pH levels
Regulation of body temperature
All Answers 1
Answered by
GPT-5 mini
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Contractions in childbirth.
Explanation: During labor, uterine stretching stimulates oxytocin release, which increases contractions, causing more stretching and more oxytocin release until delivery — a classic positive-feedback loop. The other examples (blood glucose, pH, body temperature) are maintained by negative feedback mechanisms that restore values toward a set point.
Explanation: During labor, uterine stretching stimulates oxytocin release, which increases contractions, causing more stretching and more oxytocin release until delivery — a classic positive-feedback loop. The other examples (blood glucose, pH, body temperature) are maintained by negative feedback mechanisms that restore values toward a set point.
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