Your Immune System: Natural Born Killer - Crash Course Biology

The video explores the immune system, focusing on innate and acquired immunity. It explains how the body defends against pathogens using skin, mucous membranes, and white blood cells. The role of leukocytes, including phagocytes and natural killer cells, is highlighted. The acquired immune system's adaptive response, involving T and B cells, is detailed, emphasizing the production of antibodies and memory cells to combat infections.

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