Which structure is primarily tasked with carrying sperm after it is produced?

The vas deferens is the structure responsible for transporting sperm from the epididymis, where sperm mature and are stored, to the ejaculatory duct. This muscular tube plays a crucial role in the male reproductive system by facilitating the movement of sperm during ejaculation. It is designed to propel sperm through muscular contractions, ensuring that sperm reach their intended destination.

In contrast, the epididymis is primarily a site for sperm maturation and storage rather than transportation. The scrotum serves to maintain an optimal temperature for sperm production and storage but does not transport sperm. The seminal vesicles are involved in producing a significant portion of seminal fluid that nourishes and helps transport sperm but do not carry the sperm themselves. Therefore, the vas deferens is specifically tasked with the transportation of mature sperm, making it the correct answer.