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
He was purchasing some sheet music by Joplin and Scott in the New York office of publisher John Stark when he met Joplin himself. Joplin was impressed by Lamb's own ragtime compositions, and (like he had previously done with James Scott) he introduced Joseph Lamb to his regular publisher John Stark.