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NERVE SYSTEM BASICS
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Total cards: 6•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (6)
#1
Front (Question)
What is a neuron?
Back (Answer)
A cell that receives, processes, and transmits information via electrical and chemical signals.
#2
Front (Question)
What is an action potential?
Back (Answer)
A: A rapid electrical spike that allows a neuron to send a signal down its axon.
#3
Front (Question)
Q: What are neurotransmitters?
Back (Answer)
A: Chemical messengers that transmit signals between neurons at synapses.
#4
Front (Question)
Q: What is the synapse?
Back (Answer)
A: The junction where one neuron communicates with another via neurotransmitters.
#5
Front (Question)
Q: What is the CNS?
Back (Answer)
A: Central Nervous System: brain + spinal cord.
#6
Front (Question)
Q: What is the PNS?
Back (Answer)
A: Peripheral Nervous System: all nerves outside the brain and spinal cord.