Nervous System Flashcards Preview

Nervous System and Endocrine > Nervous System > Flashcards

Flashcards in Nervous System Deck (8)
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1

2 parts

Central nervous system and peripheral nervous system

2

CNS

Includes brain and spinal cord

3

PNS

Includes efferent (motor) leading away from CNS to the periphery

Afferent (sensory) leading towards CNS taking info to brain.

4

Functions of NS

receives info about organs and tissues and external environment

Interpret info received

Send impulses through body via nerves to stimulate activity

5

Neuron

Specialised to allow conduction of electrical impulses along its length

6

Dendrite

Carries impulses towards cell body

7

Axon

Carries impulses away from cell body

8

Myelin

Sheath of fatty substance