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Question & Answer
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The immune system misidentifies the body's own cells as foreign invaders due to a failure in self-tolerance.
The immune system is overly active and attacks anything that moves, including healthy cells.
The immune system is weak and cannot differentiate between pathogens and body cells.
The autoimmune disease is caused solely by genetic factors without any influence from the environment.
Understanding the Answer
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The immune system normally learns to ignore its own cells, a skill called self‑tolerance. Other options are incorrect because Some people think the immune system attacks everything that moves, but it actually targets specific signals; A weak immune system is not the reason for mistaken attacks.
Key Concepts
Autoimmune Diseases
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Deep Dive: Autoimmune Diseases
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Definition
Autoimmune diseases are conditions where the immune system mistakenly attacks the body's own cells, tissues, and organs. This results in inflammation, tissue damage, and impaired organ function, affecting various systems in the body. Understanding autoimmune diseases is crucial in Biological Sciences to explore the complexities of immune system regulation and dysfunction.
Topic Definition
Autoimmune diseases are conditions where the immune system mistakenly attacks the body's own cells, tissues, and organs. This results in inflammation, tissue damage, and impaired organ function, affecting various systems in the body. Understanding autoimmune diseases is crucial in Biological Sciences to explore the complexities of immune system regulation and dysfunction.
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