From the seminiferous tubules, the spermatozoa pass into:

Give scientific reasons: Testis are located in the scrotum outside the abdominal cavity.

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

The seminiferous tubules are lined by two types of cells,which are $:-$

In most of the mammals,the testes are situated outside the abdominal cavity because

Explain the structure of the penis.