The Leydig's cells secrete

What are the seminiferous tubules in the human testis?

Match the columns.

Column $I$	Column $II$
$(a)$ Vas deferens	$(1)$ Duct that transports sperm from the epididymis to the urethra.
$(b)$ Spermatogenesis	$(2)$ Process of formation of spermatozoa from spermatogonia.
$(c)$ Prostate gland	$(3)$ $A$ gland surrounding the urethra that secretes seminal fluid.

Which fluid is not present in semen?

Males have a number of internal accessory organs. Which one$(s)$ is/are responsible for secreting fluid containing fructose and prostaglandins?

What will happen if the epididymis is absent?