The Male Urethra is the Only Organ in the Body

Question

The male urethra is the only organ in the body that is part of two systems.

Accepted Answer

The male urethra is part of both the urinary system, for the excretion of urine, and the reproductive system, for the passage of semen. However, it is not the only organ with dual functions; for example, the pharynx is part of both the digestive and respiratory systems.