Conversation so far:
where is the location that involves the maturing of sperm cells
Spermatogenesis takes place within several structures of the male reproductive system. The initial stages occur within the testes.
Why does spermatogenesis begin in the testes
The location of spermatogenesis in the testes is important because the process requires a temperature 1 °-8°C cooler than normal body temperature.

Question: How long is the process
Self-contained rewrite: How long is the process of spermatogenesis