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13 December, 09:16

During childbirth, the head of the baby pushes against the mother's cervix. A nerve impulse is transmitted to the brain which causes a release of oxytocin. Oxytocin stimulates uterine contraction and pushes the baby towards the cervix. This process continues until the mother gives birth. This is an example ofa) Positive feedbackb) Negative feedbackc) Reflex feedback

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  1. 13 December, 10:23
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    Answer:a positive feedback

    Explanation: positive feedback is a type of feedback mechanism employed by the body, in which an output is enhanced or acclerated.

    In contrast to negative feedback where the body regulates it's internal conditions by reducing the effect of a stimuli, In positive feedback, the body enhances the effect of the stimuli.

    It is not common as negative feedback in homeostasis.

    An example is the increasing release of oxytocin to promote contractions during childbirth, until the child is born.

    Another example is the accumulation of blood platelet, in the site of blood vessels injury to

    cause blood clotting.
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