Which of the following secretes testosterone?

The cells of $Leydig$ produce and secrete .......... .

Assertion $(A) :-$ Sperm production occurs in the seminiferous tubules.
Reason $(R) :-$ The seminiferous tubules are lined on their inside by spermatogonia and Sertoli cells.

Where do sperms get matured?

Which of the following depicts the correct pathway of transport of sperms?

Provide information about the reproductive accessory ducts in the male human reproductive system.