_____ is a sexually transmitted infection that, in advanced stages, can attack major organ systems.

A) Rubella
B) Syphilis
C) Cystic fibrosis
D) Phenylketonuria

Syphilis

A sexually transmitted infection that, in advanced stages, can attack major organ systems.

Sexually Transmitted Infection

Infections that are primarily spread through sexual contact, caused by bacteria, viruses, or parasites.

Organ Systems

Groups of organs in the body that work together to perform complex functions necessary for life, such as the circulatory or digestive systems.