Why does the testis move up and down

Why does the testis move up and down ? Why does the testis sag ? Is testis drooping a problem? Why does the testis move? In this video, I am going to explain to you briefly on the testis temperature regulation mechanism. The testis is located in the scrotal sac and its fundamental function is to ensure that the overall testis temperature is maintained 1 to 4 or 4 degree Celsius lesser than the core body temperature. Thus, in hotter conditions the testis will come down to get rid of excess heat, while in colder conditions the testis will go up to conserve heat…Read more