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.
Scott Joplin. Scott Joplin was the best-known American ragtime musician and composer, setting the standard for all that followed. Ragtime â which gave birth to Jazz â has a rhythm in which the accompaniment is strict two-four time and the melody, with improvised embellishment, is in steady syncopation. Joplin`s instrument of choice was the piano. Early days
Scott Joplin (1868â1917) Scott Joplin was a black American composer and pianist known as the King of Ragtime at the turn of the 20th century. Studying piano with teachers near his childhood home, Joplin traveled through the Midwest from the mid-1880s, performing at the Columbian Exposition in Chicago in 1893. Settling in Sedalia, MO, in 1895, he studied music at the ...