Chapter 25 - The Nervous System Flashcards
1
Q
Peripheral Nervous System
A
All parts of nervous system except brain and spinal cord
2
Q
Neuron
A
A nerve cell that receives and conducts electrical impulses
3
Q
Nerve
A
Collection of axons bundled together with blood vessels and connective tissue
4
Q
Brain
A
Main control center of the nervous system
5
Q
Central Nervous System
A
Brain and Spinal Cord
6
Q
Integumentary System
A
Protects the body from damage
7
Q
Reflex
A
An immediate involuntary action
8
Q
Feedback Mechanism
A
Cycle of events in which information affects a previous step
9
Q
Retina
A
Layer of light sensitive cells
10
Q
Cochlea
A
A fluid filled organ of the inner ear
