Vigorous contractions of the uterus during parturition are induced by ________
A. neuroendocrine mechanism
B. endocrine mechanism
C. embryo pushing out
D. uterine fluids
Answer:A
Vigorous contractions of the uterus during parturition are induced by ________
A. neuroendocrine mechanism B. endocrine mechanism C. embryo pushing out D. uterine fluids