Question 1
In which structure are sperm produced?
The right answer is the one marked above.
The seminiferous tubules of the testis. A testis has about 250 lobules, and within them about 1000 of these coiled tubules, which hold the sperm mother cells.
The epididymis only stores sperm temporarily, and the vas deferens only carries them. The prostate makes part of the fluid they travel in. All three handle sperm; none of them makes any.