Early one morning Officer Smith was sitting in her patrol car observing traffic near the town's elementary school when a sports car suddenly sped past. Realizing that students may be crossing the same street on their way to school, Officer Smith quickly pursued the speeding car. By recalling information about the integration of nervous system functions from previous chapters and reading chapter 16, describe in general the neural pathways involved in Officer Smith's quick reactions--movement of her skeletal muscles, increased heart rate, and decreased movements and secretions in her digestive system.