Ejaculation of semen
Involves rhythmic contractions of striated muscles
Is aided by sympathetic nerve activity
Coincides with feeling of organisms
All the above
Ontogenetically liver and pancreas are or During embryonic development pancreas and liver develop from which germinal layer
Find out $A, B$ and $C$ in the figure given below
Which of the following represents a condition, where the motility of the sperms is highly reduced?
Following the diagram of an ovum surrounded by few sperms :
Which of the following option is correct for the labelled parts $A, B$ and $C$?
$A$ $\quad$ $B$ $\quad$ $C$
The respiratory function of embryo is performed by