Which is not the function of placenta ?
Secretes insulin during parturition
Facilitates supply of $O_2$ and nutrients to embryo.
Produces estrogen.
Facilitates removal of $CO_2$ and waste material from embryo.
Name $A, B, C$ chormones in the given figure
The amnion and chorion consist of which type of composition
The best definition of the process of gastrulation is that, it is a process where the
Which of the following structure originates from ectoderm
Which of the following are secretions produced by the spermatozoa at the time of fertilization?