Absolute answer is unknown. Easiest answer is to improve the chances that one is able to get the job done. Why does an Oak tree put out so many acorns? A dandelion flower with it's hundreds of seeds. Nature repeats what works, it's all to make the chance of reproduction greater.
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in the testis.
no because sperms are allaways manufactured in the testis
It's in the millions. I've read between 80 and 100. Teenagers produce more than older men.
The testis produce the male androgen testosterone.
Your balls drop during puberty. At age 4 they shouldn't have dropped
Obviously not. Millions of men - billions of them,in fact - eat it all over Asia, and there the population is rapidly increasing.
The testis produce the male androgen testosterone.
Production of sperms is very important function of testis. That is non-endocrine function.
The production of sperm requires a lower temperature than body temperature (in mammals) therefore it is necessary for the testies to be removed from the general mass of the body.
No. Besides a boy HAS to produce sperms. There is no such thing as a boy who doesn't produce sperms.
millions!!