As a child, I used to love watching Shirley Temple's movies and I was drawn to reading her autobiography, Child Star. This was one of the best Hollywood autobiographies I have ever read because of the way Shirley gave a complete overview of her life.
Definition of engineer's brake valve. : a valve in the cab of a locomotive for operating the air brake.
Mitral valve-The structure that controls blood flow between the heart's left atrium (upper chamber) and left ventricle (lower chamber). Mitral valve prolapse-A condition that occurs when the leaflets of the mitral valve between the left atrium and left ventricle bulge into the atrium and permit backflow of blood.