The Mammary Glands Secrete Milk in Response to Circulating Oxytocin

Multiple Choice

The mammary glands secrete milk in response to circulating oxytocin. A suckling baby feeding on this milk stimulates additional oxytocin release. These related events are an example of ________.

A) negative feedback
B) a hormone that acts in an antagonistic way with another hormone
C) positive feedback
D) signal transduction immediately changing gene expression in its target cells