sentence2_structure: The immune system<>typically recognizes<>$$$The immune system<>destroys<>foreign cells or substances that may cause disease$$$foreign cells or substances<>may cause<>disease
sentence1: THE IMMUNE SYSTEM The immune system consists of a network of specialized cells which respond to foreign substances in the body in order to prevent infection or disease.
sentence2: The immune system typically recognizes, attacks, and destroys foreign cells or substances that may cause disease.
question: Which body system typically recognizes, attacks, and destroys foreign cells or substances that may cause disease?