Chemical Coordination and IntegrationHard
Question
The signals for parturition orginate from
Options
A.placenta only
B.placenta as well as fully developed foetus
C. oxytocin released from maternal pituitary
D.fully developed foetus only
Solution
The process of giving birth to a baby is called parturtion. Parturtion is induced by a complex neuroendocrine mechanism. The signals for parturition originate from the fully developed foetus and the placenta, which intduce mild uterine contrations called foetal ejection reflex.
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