Organization of the Nervous
System
A guided tour through the structures, cells, and pathways that make
up the body's master control system — from the brain down to the
spinal cord and beyond.
, CHAPTER 1
Two Systems, One Body
The nervous system divides into two major branches, each with a distinct role in sensing and responding to the world.
Central Nervous System (CNS) Peripheral Nervous System (PNS)
The command center — brain and spinal cord. Processes The communication network — nerves linking the CNS to
information and coordinates responses. the rest of the body.
System
A guided tour through the structures, cells, and pathways that make
up the body's master control system — from the brain down to the
spinal cord and beyond.
, CHAPTER 1
Two Systems, One Body
The nervous system divides into two major branches, each with a distinct role in sensing and responding to the world.
Central Nervous System (CNS) Peripheral Nervous System (PNS)
The command center — brain and spinal cord. Processes The communication network — nerves linking the CNS to
information and coordinates responses. the rest of the body.
