The immune system includes certain types of white blood cells. It also includes chemicals and proteins in the blood, such as antibodies, complement proteins, and interferon. Some of these directly attack foreign substances in the body, and others work together to help the immune system cells.
Off-site search results for Scott Joplin... African Americans - Scott Joplin, King of Ragtime Scott Joplin Known as the King of Ragtime, this son of a former slave was born circa 1867 in Texas and may have had access to a piano in the white-owned house in which his mother worked. He's best known for The Maple Leaf Rag
Scott Joplin's early piano lessons did not include ragtime. That kind of music was played in dance and drinking places and was not considered acceptable.Scott first studied classical music with several teachers. They included a German immigrant named Julius Weiss who probably had the strongest influence on the boy. VOICE TWO: