During parturition, mechanical pressure caused by the movement of the fetus through the uterus causes the release of ____ from the ____.
A) HCG; hypothalamus
B) oxytocin; posterior pituitary
C) oxytocin; hypothalamus
D) HCG; posterior pituitary
E) oxytocin; adrenal cortex

Question

Quizplus · Accepted Answer

Oxytocin is released from the posterior pituitary gland in response to mechanical pressure during parturition, stimulating uterine contractions to facilitate childbirth.

During Parturition, Mechanical Pressure Caused by the Movement of the Fetus