Question

where is the formation of sperm

Answer 1

Sperm is the name given to the male sex cells. The tissue which produces the male sex cells (the germinal epithelium) consists of two types of cells: supporting cells (Sertoli's cells) and spermatogenic cells. The supporting cells are tall, columnar cells that extend the full thickness of the epithelium from its base to the lumen of the seminiferous tubule. In a young male, all the spermatogenic cells are of one class and are called spermatogonia.

Answer 2

In short, the formation of sperms occur in the numerous coiled tubes of the testicles in males