When a woman is giving birth, the head of the baby pushes against her cervix and stimulates the release of the hormone oxytocin. Oxytocin travels in the blood and stimulates the uterus to contract. Labor contractions become more and more intense until the baby is expelled. This is an example of ________.
A. set point adjustment
B. integration control
C. positive feedback
D. negative feedback
E. dynamic equilibrium
Answer: C
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What will be an ideal response?
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