Nervous System Flashcards

1
Q

What are impulses

A

Info from receptors that pass as electrical impulses along nerve cells to the brain

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2
Q

What are reflex actions

A

Responses that bypass the brain, eg pulling hand from something hot

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3
Q

What are the two types of neurone

A

Sensory and motor

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4
Q

What are sensory neurones

A

Neurones that carry impulses from the receptor to the brain

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5
Q

What are motor neurones

A

Neurones that carry impulses from the brain to the effector

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6
Q

What are sensory neurones surrounded by

A

Myelin

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7
Q

What direction does the sensory neurone do stuff

A

Through dendron out through axon

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8
Q

What is the reflex arc

A

The nerve pathway of a reflex

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9
Q

What are the gaps between neurones

A

Synapse

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10
Q

What is the reflex arc, every part + eg

A

Stimulus
-candle

Receptor
-temp receptor in finger

Coordinator
-relay neurone in spinal chord

Effector
-muscle in arm

Response
-arm moving away

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