Trivia: Which system defends the body against disease?
Reproductive system
Lymphatic system
Nervous system
Urinary system
Correct Answer: Lymphatic system
So why is this answer correct? : The lymphatic system includes lymph nodes, vessels, nodules, and lymphoid tissue, which defend the body against disease. This system filters bacteria and other foreign bodies from lymph, a fluid that contains white blood cells that nourish the tissues.