Biology

What is the nervous System?
The network of nerve cells and fibres which transmits nerve impulses between parts of the body.
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what do neurons do when they are stimulated?
Transmit impulses
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What are axons surrounded by?
A fatty sheath
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What is a Synapse?
The gap between two neurons
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What is the pathway of a reflex arc?
Receptor - sensory neuron - spinal cord - motor neuron - effector
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How do drugs affect the nervous system?
They change the transmission of impulses across synapses
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What are the steps for the carbon cycle?
1) CO2 is removed from the atmosphere by plants by photosynthesis.
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Other cards in this set

Card 2

Front

what do neurons do when they are stimulated?

Back

Transmit impulses

Card 3

Front

What are axons surrounded by?

Back

Preview of the front of card 3

Card 4

Front

What is a Synapse?

Back

Preview of the front of card 4

Card 5

Front

What is the pathway of a reflex arc?

Back

Preview of the front of card 5
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