select all that apply\nwhich of the following are examples of a positive feedback mechanism? more than one…

select all that apply\nwhich of the following are examples of a positive feedback mechanism? more than one answer may be correct.\n□ maintenance of normal blood pressure\n□ maintenance of normal body temperature\n□ contractions during childbirth\n□ formation of a blood clot
Answer
Brief Explanations:
Positive - feedback mechanisms amplify a change. During childbirth, uterine contractions stimulate the release of oxytocin which in turn increases contractions. In blood - clot formation, the initial clotting factors activate more clotting factors leading to more clotting. Maintenance of normal blood pressure and body temperature are examples of negative - feedback mechanisms that work to restore a stable state.
Answer:
C. Contractions during childbirth, D. Formation of a blood clot