the nervous system

unit 1 

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What does the nervous system do?
The nervous system enables humans to react to their surroundings and coordinate behaviour
1 of 5
What do receptors detect?
Stimuli
2 of 5
What do light receptors have?
They have a nucleus, cytoplasm and cell membrane
3 of 5
What do reflex actions involve?
They often involve sensory, relay and motor neurones
4 of 5
How does a muscle respond in a reflex action?
The muscle responds by contracting
5 of 5

Other cards in this set

Card 2

Front

What do receptors detect?

Back

Stimuli

Card 3

Front

What do light receptors have?

Back

Preview of the front of card 3

Card 4

Front

What do reflex actions involve?

Back

Preview of the front of card 4

Card 5

Front

How does a muscle respond in a reflex action?

Back

Preview of the front of card 5

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