I had this question on my quiz once im pretty sure its false , hope this helps
Sperm Production<span>. In humans, spermatogenesis takes place in the seminiferous tubules, which are an intricate system of tubules in the testes where spermatogenesis takes place. The seminiferous tubules of an adult human male </span>can<span>sometimes </span>produce<span> over 100 million </span>sperm<span> per day.</span>
These are 3 of the 4 priniciples of training.
Overload: fitness and/or physical adaptation can only be improved upon by training more than you would otherwise.
Progression: slow and gradual increases to the amount and intensity of training are necessary to effect change
Specificity: the conditions and parameters of training should use and meet those that are required by the specific activity to achieve improvement in the body parts that is necessitated by the task, sport, or activity. "practice like you're going to play"