Immune System: Innate and Adaptive Immunity Explained

The video explains the immune system, which protects the body from various threats like bacteria and viruses. It is divided into innate and adaptive immunity. Innate immunity acts as the first line of defense with physical and chemical barriers, while adaptive immunity provides a targeted response. Key components include leukocytes, phagocytes, natural killer cells, and dendritic cells. The adaptive system involves T and B lymphocytes, which help recognize and remember pathogens. The immune system's efficiency ensures we remain healthy, highlighting its importance.

What distinguishes innate immunity from adaptive immunity?

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Explain the role of T cells in the immune response.

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What is the significance of memory B cells in the immune system?

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