Final answer:
The seminal vesicles bulge with sperm after a worm has mated.
Step-by-step explanation:
The seminal vesicles are a pair of small, pouch-like structures located behind the bladder in the male reproductive system. These glands play a crucial role in the production of semen, which is the fluid that nourishes and transports sperm during ejaculation.
The correct answer is b) Seminal vesicles.
After a worm has mated, the seminal vesicles bulge with sperm. Seminal vesicles are a pair of glands that contribute to the production of semen. They produce a thick, yellowish fluid that provides nutrients, increases sperm motility, and helps protect the sperm as they travel through the reproductive tract.