Answer: seminiferous tubules
Step-by-step explanation:
The sperms are the male gametes. The sperms are unicellular structures each having only one flagella. These cells cannot divide and exhibit limited life span. They are motile due to the presence of flagella in them. These are produced in the seminiferous tubules of the testes. These are tiny coiled tube structures, which produce millions of sperm cells. The primary function of the sperm cell is to facilitate the fertilization of the female egg cell.