The Somatic Nervous System

• What is the main role of the somatic nervous system?

  Transmitting and receiving information from the senses
• How does the somatic nervous system interact with the senses?

  It transmits visual information from the eyes and auditory information from the ears
• What types of muscle movements does the somatic nervous system control?

  It controls the movement and reaction of muscles, including reflex reactions
• Does the somatic nervous system involve the central nervous system for reflex reactions?

  No, it controls reflex reactions without the involvement of the central nervous system
• How many pairs of cranial nerves are in the somatic nervous system?

  12 pairs
• How many pairs of spinal nerves are in the somatic nervous system?

  31 pairs
• Where do the cranial nerves emerge from?

  They emerge from the underside of the brain
• Where do the spinal nerves emerge from?

  They emerge from the spinal cord
• What types of neurons are transmitted by the somatic nervous system?

  It transmits sensory neurons and motor neurons
• What is the function of sensory neurons in the somatic nervous system?

  Sensory neurons relay messages to the central nervous system
• What is the function of motor neurons in the somatic nervous system?

  Motor neurons relay information to various parts of the body from the central nervous system