What Body System Defends Against Infection: Your Immune System Explained
Gcse Biology – Immune System (Defences Against Pathogens) #38
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What Is The Body’S Second Defense Against Infection?
The body’s second line of defense against infection is known as nonspecific resistance, a vital mechanism that provides protection by destroying invading pathogens in a generalized manner, without specifically targeting individual microbes. This defense primarily involves phagocytic cells, such as macrophages, which originate from monocytes, a type of white blood cell. These specialized cells play a crucial role in immune responses by engulfing and subsequently destroying any microorganisms that breach the body’s tissue barriers. This second line of defense acts as a vital shield against a wide range of potential threats, contributing to the body’s overall immune system resilience.
What Are The 2 Main Defense Systems Of The Immune System?
The immune system comprises two primary defense systems: the innate immune system and the adaptive immune system. These two integral components collaborate harmoniously while assuming distinct roles in safeguarding the body against various threats. The innate immune system serves as the body’s initial line of defense, providing a general and rapid response to invaders, such as pathogens. Conversely, the adaptive immune system specializes in tailoring a precise and targeted defense against specific pathogens encountered in the past, offering long-term protection. This intricate interplay between the innate and adaptive immune systems ensures comprehensive protection for the body. (Note: The date “30 thg 7, 2020” seems unrelated and has been omitted for clarity.)
Summary 35 What body system defends against infection
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The immune system’s job: defend against disease-causing microorganisms. Its goal is to keep us healthy. The immune system is a vast and complex interconnected network of many different organs, cells and proteins that work together to protect the body from illness.The second line of defense is nonspecific resistance that destroys invaders in a generalized way without targeting specific individuals: Phagocytic cells ingest and destroy all microbes that pass into body tissues. For example macrophages are cells derived from monocytes (a type of white blood cell).
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