Inflammation is an alarm
Redness, swelling, heat, and pain are often the immune system's first visible move. Injured or infected cells release signals that pull immune cells into the area fast.Inflammation: The Immune System's First Alarm
The first responders rush in
Neutrophils are usually the first cells to arrive at the scene of infection. Macrophages and dendritic cells join in, engulf invaders, clear debris, and help launch the next phase of defense.Inflammation: The Immune System's First Alarm
