A
The two systems in the nervous system
What are the central & peripheral nervous systems?
The part that makes all decisions for the body
What is the brain?
Part of the nervous system that transmits impulses
What are neurons?
Neurons
What are nerve cells?
Parts of the CNS
What are the brain & spinal cord?
A long tail - like part
What is an axon?
Parts of the PNS
What are neurons?
Short branching parts
What are dendrites?
The part of the nervous system between neurons
What is a synapse?
One thing that the nervous system does besides transport information
What is helping the body feel pain?
The chemicals that help impulses be transported
What are neurotransmitters?
Electrical impulses go this fast
How much is 250 miles per hour?
Parts of a neuron
What are axons & dendrites?
Axons do this
What parts send impulses out of the neuron?
The biggest neuron in our body is this big(about)
How big is a meter?
Dendrites do this
What is bringing impulses in?
Neurons that send information from the brain
What are motor neurons?
Gray matter
What tissue is the brain made up of?
Neurons that send information to the brain
What are sensory neurons?
86 billion
About how many neurons are in the brain?