Connect the CNS to effectors such as muscles and glands
4 of 10
Where is the genetic material of the cell contained?
The nucleus
5 of 10
What carries the impulses away from the cell body down the length of the neuron?
The axon
6 of 10
What purpose does the myelin sheath serve?
Protects the axon and speeds up electrical transmission of the impulse.
7 of 10
What is the gap between the neurons called?
The synapse
8 of 10
What is the role of neurotransmitters?
They allow communication between neurons.
9 of 10
Explain how an action potential is caused.
When a neuron is in a resting state it is negatively charged compared to the outside. When a neuron is activated by a stimulus, the inside of the cell becomes positively charged for a split second.
10 of 10
Other cards in this set
Card 2
Front
What is the role of sensory neurons?
Back
Carry messages from the PNS to the CNS
Card 3
Front
What is the role of relay neurons?
Back
Card 4
Front
What is the role of motor neurons?
Back
Card 5
Front
Where is the genetic material of the cell contained?
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