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Human Reproduction

Question
CBSEENBI12002562
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The signals for parturition originate from

  • placenta only

  • placenta as well as the fully developed foetus

  • oxytocin released from the maternal pituitary

  • the fully developed foetus only

Solution

B.

placenta as well as the fully developed foetus

The process of giving birth to a baby is called parturition. Parturition is induced by a complex neuroendocrine mechanism. The signal for parturition originates from the fully developed foetus and the placenta, which induce mild uterine contractions called foetal ejection reflex.

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Ovulation takes place :

Which of the following shows hermaphroditism and self fertilization ?

The chromosone in primary spermatocyte are :

The male reproductive system is located in the body, in the :

Sertoli cells provide :

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

In 28 days woman's menstrual cycle, ovulation occurs on :

Scrotum communicates with abdominal cavity through :

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