PRANAYAMA AND THE NERVOUS SYSTEM IN ORDER TO UNDERSTAND THE SCIENCE OF PRANAYAMA IT IS NECESSARY TO CONSIDER THE NATURE AND FUNCTION OF THE NERVOUS SYSTEM, FOR THIS SYSTEM COORDINATES THE FUNCTIONS OF ALL THE OTHER SYSTEMS IN THE BODY. IT IS SUBDIVIDED INTO THE CERTRAL AND THE AUTONOMIC NERVOUS SYSTEMS. THE CENTRAL NERVOUS SYSTEM CONSISTS OF THE BRAIN, TWELVE PAIRS OF CRANIAL NERVES, THE SPINAL CORD AND THIRTY-ONE PAIRS OF SPINAL NERVES. THE CRANIAL AND SPINAL NERVES SPREAD THROUGHOUT THE BODY, FORMING A NETWORK OF NERVE FIBERS. EFFERENT, OR MOTOR NERVE FIBERS, CARRY NERVE IMPULSES FROM THE BRAIN AND SPINAL CORD OUTWARD TO THE NERVE ENDINGS, AND AFFERENT, OR SENSORY NERVE FIBERS, CARRY NERVE IMPULSES FROM THE NERVE ENDINGS INWARD TO THE BRAIN AND SPINAL CORD. TO ILLUSTRATE THE FUNCTIONS OF THE AFFERENT AND EFFERENT FIBERS, CONSIDER THE CASE OF STUBBING YOUR TOE. THE NERVE ENDINGS AT THE TOE
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