Chapter 12.1, Problem 1R

Summary Introduction

To determine: The direction of sensory input and motor commands relative to the spinal cord.

Introduction: The spinal and the brain make up the major part of the central nervous system. The spinal is a tube-like structure that begins from the medulla oblongata of the brainstem and extends toward the lumbar region of the vertebral column. The reflexes of the spinal cord can function without the input of the brain.