Final answer:
The vas deferens is an endocrine structure in the male reproductive system responsible for transporting sperm for ejaculation.
Explanation:
The vas deferens (ductus deferens) is an endocrine structure in the male reproductive system. It is responsible for carrying sperm from the testes to the urethra. The vas deferens plays a crucial role in the transportation of sperm for ejaculation.
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