Sperm develops in the testicles within the system of tubes called seminiferous tubules. At birth those tubules inside the testicles contain simple cells, then when puberty arrives the male testosterone and other hormones cause the cells to transform into sperm cells.
ANSWER
The testicles do not PRODUCE sperm. They store sperm.
because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system
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The testis produce the male androgen testosterone.
A pyramid.
The testis produce the male androgen testosterone.
The testicles produce sperm once the male is beginning to reach sexual maturity.
The testes produce spermatozoa (sperm).
produce sperm, produce testosterone
The spermatozoa is formed in the testis and is stored in the epididymis. While traveling through the epididymis the sperm mature and gain motility and the ability to fertilize.
produce sperm
Structure A. Testis
The ovaries.