The nervous system of vertebrates has how many divisions?
A) 1
B) 2
C) 3
D) 4
E) variable, depending on the animal

Name: The nervous system of vertebrates has how many divisions? A) 1 B) 2 C) 3 D) 4 E) variable, depending on the animal
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The nervous system of vertebrates has two main divisions: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and spinal cord, while the PNS is composed of all the nerves and ganglia outside of the CNS.

The Nervous System of Vertebrates Has How Many Divisions