During menstruation,cells in the uterine lining secrete ____,which initiates contractions of the uterus.
A) prostaglandins
B) the corpus luteum
C) estrogen
D) progesterone
E) follicle-stimulating hormone

Question

During menstruation,cells in the uterine lining secrete ____,which initiates contractions of the uterus.  
A) prostaglandins
B) the corpus luteum
C) estrogen
D) progesterone
E) follicle-stimulating hormone

Quizplus · Accepted Answer

Prostaglandins are secreted by cells in the uterine lining during menstruation and they initiate contractions of the uterus, which help to shed the lining. The other choices are not involved in initiating contractions during menstruation.

During Menstruation,cells in the Uterine Lining Secrete ____,Which Initiates Contractions