Phallic organs in cockroach are related to
Male excretory system
Male reproductive system
Female excretory system
Female reproductive system
Sertoli cells are regulated by the pituitary hormone known as
Which cavity arises by the invagination of endoderm and mesoderm
Fructose is present in the secretion of
In human, the unpaired male reproductive structure is
Pseudopregnancy is a physiological condition comparable to normal pregnancy except that there is no