Which of the following best describes the autonomic nervous system?
A) The brain and Spinal cord
B) The nerves carrying instructions from the brain out to the visceral organs in the body, such as the heart, digestive system and skin
C) The nerves carrying sensations from the body, including pressure, heat, and pain, back to the brain
D) The nerves carrying instructions from the brain out to the skeletal muscles, telling them when and how to move