The testes perform which of the following functions? 

The testis are situated outside the abdominal cavity enclosed in a pouch called scrotum. Each testis comprise about 250 compartments called testicular lobules. Each lobule contains one to three seminiferous tubules in which sperms are produced. The regions outside the seminiferous tubules called interstitial spaces comprise small blood vessels and interstitial cells or Leydig cells. Leydig cells secrete testicular hormones called androgen.

Hence, the correct answer is option C.