The contraction of the uterus during childbirth is an example of a positive feedback loop.

Question

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The contraction of the uterus during childbirth is a positive feedback loop because it leads to further increases in contractions until the baby is delivered. As the baby moves through the birth canal, it causes the release of hormones that stimulate the uterus to contract more forcefully. These contractions then push the baby further down, causing more hormones to be released and leading to more contractions. This cycle continues until the baby is born, which breaks the positive feedback loop.

The Contraction of the Uterus During Childbirth Is an Example