During mammalian labor and delivery the contraction of uterine muscles is enhanced by oxytocin . tis is an example of a hormone that is involved in a positive feedback loop .
Hence , OPTION C is correct .
It is a peptide hormone and neuropeptide .
It is produced by hypothalamus
It is stored and released by the posterior pituitary .
It stimulates the contraction uterine muscles during childbirth and lactation after childbirth .
Hence , OPTION C is correct .
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