Phallic organs in cockroach are related to
Male excretory system
Male reproductive system
Female excretory system
Female reproductive system
Placenta is present in
Both corpus luteum and macula lutea are
Each seminiferous tubule is lined on its inside by two types of cells $A$ and $B$. Which of the following options is correct, w.r.t. the type of cell and its function?
$A$ | $B$ |
Human female reaches menopause at the age of about
Nervous system in vertebrates develops from