6. The immune system recognizes and attacks
anything different from the substances normally
present within an individual, even substances that
are only slightly different, such as transplanted
tissues and organs.
9. Autoimmunity is the immune response of the body
turned against its own cells and tissues.
example
Type 1 diabetes – body cannot use sugars
myasthenia gravis – weakness & paralysis
rheumatic fever – permanent heart damage
Systemic Lupus Erythematosus