Where are the $Leydig$ cells found?

$A$: Failure of testes to descend into the scrotum causes sterility in man. $R$: Higher internal body temperature is not suitable for sperm development.

What is the composition of the seminal plasma?

The seminiferous tubules are lined by which type of epithelium?

If the $vas$ $deferens$ of a man is surgically disconnected,what will be the result?

Which acid is present in human semen?