Concept:Spermatozoa are the male reproductive cells produced inside the testes.
Explanation:The testicles, also called testes, are the primary male reproductive organs.
They are held in the scrotum and contain tiny coiled tubes called seminiferous tubules.
Spermatozoa are formed within these tubules.
The testes also secrete testosterone and other male hormones.
The penis, prostate gland, and cowper’s gland are not sites of sperm production.
The penis delivers sperm, while the prostate and cowper’s glands produce seminal fluids.
Answer:B. testicles