What is a description of the central nervous system? a. alex is the captain of the soccer team and is very popular. he's a very picky eater, especially about vegetables. b. barbara exercises regularly and eats nutritious food. she is very shy and keeps to herself all the time. c. ross enjoys rock-climbing adventures with his four best friends. he enjoys junk food in moderation. d. laney loves to spend the afternoon at the burger joint next to school with her friends. she dislikes exercise.