The ABO system consists of A, B, AB, and O blood types. People with type A have antibodies in the blood against type B. People with type B have antibodies in the blood against type A. People with AB have no anti-A or anti-B antibodies.
Developmental dyslexia, or specific reading disability, is a disorder in which children with normal intelligence and sensory abilities show learning deficits for reading.
Knowledge center. Dyslexia is a specific reading disability due to a defect in the brain's processing of graphic symbols. It is a learning disability that alters the way the brain processes written material. It is typically characterized by difficulties in word recognition, spelling and decoding.t is estimated that boys are one-and-a-half to three times more likely to develop dyslexia than girls. The Dyslexia Association 5 in Australia states A dyslexic individual can be successful because of their abilities not in spite of.