Basics
What is the space between two neurons called?
The synapse
Which component of the nervous system is sort of like a highway?
The spinal cord
Which division of the PNS controls voluntary movements like moving your arm?
The somatic nervous system.
What is the main job of a neuron?
To send and receive electrical and chemical signals.
What chemical molecules help neurons communicate across the synapse?
Neurotransmitters
Which neurotransmitter is released during moments of danger to activate the “fight or flight” response?
Which division of the PNS controls involuntary movements like the movement of your heart?
Autonomic nervous system
What is the long extension that carries signals away from the neuron’s cell body?
The axon
How does the communication between neuron happens?
You get a stimuli and the neurons transport that information as electrical signal and then chemical signal
What is a reflex?
A fast, automatic response to a stimulus.
What is the name of the bone that protects the brain?
Cranium
What part of the neuron receives information from other neurons?
The dendrites
Which neurotransmitter controls movement and motivation?
Dopamine
What structure in the nervous system controls most reflexes?
Spinal cord
The nerves that connect the CNS to the rest of the body belong to which system?
Autonomic nervous system
What type of doctor treats problems with the Nervous System?
Neurologist
Which neurotransmitter helps you feel calm and reduces stress?
GABA
Why are reflexes so fast compared to normal responses?
They don't need to go all the way to the brain for processing
The fatty layer that speeds up signals in neurons is called what?
Myelin sheath