Reproductive Systems

Male Reproductive System

Sperm is produced in the testes, which are stored in a sac called the scrotum.  The scrotum keeps the testes at around 35 degrees, 2 degrees below normal body temperature (the optimum temp. for sperm development).

The testis is divided internally into several lobules.  Each lobule contains many long tubules - the seminiferous tubules.  This is where sperm is produced.  Between the seminiferous tubules are interstitial cells, which secrete testosterone.  

• The seminiferous tubules join together to form the...
• Vasa efferentia, which join together to form the...
• Epididymis...

The epididymis is the storage site of sperm.  The epididymis…