I think either b or d but I’m leaning towards d a little
Answer:
3 is the answer the right choice.
B. testes - the Sertoli cells of the Testes are where sperm mature and the Leydig cells of the Testes generate Testosterone
The vas deferens is a delivery tube connecting the testes to the prostate/urethra for export, and the penis is only a conduit to deliver the sperm inside semen during coitus.
The epididymis only stores mature sperm in preparation for the next ejaculation.
D) all of the above is the correct answer
By making them exercise more often
