Nervous System Answer Key
Learn how the brain, spinal cord, and nerves work together to control the body.
Looking for Nervous System answers? This complete answer key provides verified solutions for all student exploration activities and assessment questions in the ExploreLearning Nervous System Gizmo.
✅ 100% Free • Step-by-step explanations • Perfect for homework help • Covers all activities • Updated for 2026
Structure of the Nervous System
Q1.What are the two main parts of the nervous system?
The central nervous system (CNS - brain and spinal cord) and the peripheral nervous system (all other nerves).
Q2.What's a neuron?
A nerve cell that sends electrical signals through the body.
Q3.What are the three parts of a neuron?
Dendrites (receive signals), cell body (processes signals), and axon (sends signals out).
How Signals Travel
Q4.What's a synapse?
Q5.What's a reflex?
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