Mary Elizabeth Ballard, right, reacts as classmate Shelby Stevens extracts part of a frog the pair were dissecting in their fourth-grade G.A.T.E.S class at Beechwood Elementary. Ann Haden’s class has been studying the cardiovascular system. Mary Elizabeth is the daughter of Jerry and Elizabeth Ballard, and Shelby is the daughter of Kelly Stevens. (Meredith Spencer*The Vicksburg Post)