Placenta acts like a
Semipermeable membrane
Fully permeable membrane
Impermeable membrane
None of the above
It is structural and functional unit between developing embryo (Foetus) and maternal body
Hormones secreted by the placenta to maintain pregnancy are
Which of the following hormones is not a secretory product of human placenta?
By the end of about .......... weeks, the body is covered with fine hair.
Which one of the following statements with regard to embryonic development in humans is correct?