Final answer:
Autoimmunity is when the immune system attacks the body's own cells and tissues. Rheumatoid arthritis, type 1 diabetes mellitus, multiple sclerosis, and systemic lupus erythematosus are some examples of autoimmune disorders.
Explanation:
Autoimmunity occurs when the immune system mistakenly attacks the body's own cells and tissues. Several autoimmune disorders include rheumatoid arthritis, type 1 diabetes mellitus, multiple sclerosis, and systemic lupus erythematosus. These disorders result from a breakdown in immunological tolerance where the immune system fails to recognize self from non-self.
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