Mario hears his brother open the door, so he turns toward the door to say hello. which best describes the signals moving through mario’s nervous system to make him react and turn around? a)the sensory nervous system sends a signal to the central nervous system, then the brain sends a signal to the somatic nervous system. b)the autonomic nervous system sends a signal to the central nervous system, then the brain sends a signal to the sensory nervous system. c)the sensory nervous system sends a signal to the peripheral nervous system, then the brain sends a signal to the autonomic nervous system. d)the autonomic nervous system sends a signal to the peripheral nervous system, then the brain sends a signal to the somatic nervous system.