Choose incorrect pair :
Inner cell mass - Inner group of cells
$16$ cells embryo - Morula
Trophoblast - Chorionic layer
Placenta - Secreat Oxytocin
Which of the following organ is differentiated first during development ?
The hormone released from placenta is
Which one of the following statements with regard to embryonic development in humans is correct?
During the course of development, cells in various regions of embryo become variable in morphology and eventually perform diverse functions. This process is known as
Hormones secreted by the placenta to maintain pregnancy are