Section: Immune System

The Science Behind Sneezing and Coughing

How Inflammation Protects—and Sometimes Hurts—Your Body

What Happens When You Catch a Cold

How the Skin Acts as Your First Line of Defense

Bone Marrow: Where Immune Cells Are Born

The Spleen: An Overlooked Immune Powerhouse

Lymph Nodes: The Body’s Hidden Checkpoints

The Lymphatic System: The Immune Highway

Antibodies Explained: How Tiny Proteins Defend You

The Difference Between Innate and Adaptive Immunity

How Vaccines Train the Immune System

What Happens When You Get a Fever