What tissues can be attacked by your immune system?

Using the internet, conduct a search of autoimmune disorders. How many disorders can you find? What tissues can be attacked by your immune system? Select one autoimmune disease to summarize. What are the common signs and symptoms exhibited in a patient with this disease?
Your response should be at least one page in length. Include at least one reference to support your work in APA format. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.