Ch. 25 Vocab Flashcards Preview

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Flashcards in Ch. 25 Vocab Deck (10):
1

Peripheral nervous system

All parts of the nervous system except for the brain and the spinal cord

2

Neuron

A nerve cell that is specialized to receive and conduct electrical impulses

3

Nerve

A collection of nerve fibers though which impulses travel between the central nervous system and other parts of the body

4

Brain

The mass of nerve tissue that is the main control center of the nervous system

5

Integumentary system

The organ system that forms a protective covering on the outside of the body

6

Reflex

An involuntary and almost immediate movement in response to a stimulus

7

Feedback mechanism

A cycle of events in which information from one step controls or affects the previous step

8

Retina

The light sensitive inner layer of the eye

9

Cochlea

A coiled tube that is found in the inner ear and is essential for hearing

10

Central nervous system

The brain and spinal cord