Final answer:
The prostate gland provides a lubricant for sperm cells to swim and neutralizes urine that has passed through the system.
Step-by-step explanation:
The gland that provides a lubricant for sperm cells to swim and neutralizes urine that has passed through the system is the prostate gland. The prostate gland is a part of the male reproductive system and secretes fluid into semen, which nourishes sperm and carries them through the urethra and out of the body.