Like the right atrium, the left atrium fulfills several functions. The functions are... 1. atrial kick for the left of the heart/ 2. influences the rate of the heart/ 3. and has endocrine qualitites. The left atrium is slightly larger than the right atrium.
Cheryl Gates McFadden (born March 2, 1949), usually credited as Gates McFadden, is an American actress and choreographer. She is best known for playing Dr. Beverly Crusher in the Star Trek: The Next Generation television series and in the four subsequent films.
Lauren Taylor. Shelby Sandy Marcus is one of the main protagonists of Best Friends Whenever. Shelby is Cyd's best friend and the two girls live together in Shelby's house, due to Cyd's parents leaving for Peru. Shelby and Cyd discover their power to time travel together by messing around with a science machine. Shelby is a girly, quirky, cheerful, and intelligent young teen. She always likes to keep it safe, and is always struggling to keep her and Cyd out of trouble. Shelby is portrayed by Lauren Taylor. See: Shelby Marcus (Alternate Ages)