Definitions
Peripheral Nervous System
Central Nervous System
Connections
Random
100
What parts of the nervous system make up the CNS (Central Nervous System)?
The brain, brain stem and spinal cord
100
What do neurons do?
Transmit messages in the form of fast-moving electrical energy
100
What is the largest organ in the nervous system?
The Brain
100
What are the protective bones that guard the spinal cord called?
Vertebrae
100
The PNS connects to what?
The CNS
200
What is PNS (peripheral nervous system)?
Everything else. sensory and motor neurons, sensory receptors etc..
200
What is the large region of the neuron called?
Cell Body
200
What is it called when your nervous system causes a movement without you making the decision?
Involuntary movement (breathing, heart beating)
200
What can happen if you injure your spinal cord?
You can be paralyzed or have pain (burning/numbness).
200
What are the 2 main parts of the PNS?
Sensory portion (neurons, sensory receptors etc.) and the motor portion (reflex arc, motor neurons etc.).
300
What is a neuron?
A neuron is a nerve cell that is specialized to receive and conduct electrical impulses.
300
What are axons?
Axons are elongated extensions of a neuron
300
What is it called when you can control your movement?
Voluntary movement
300
What attaches the brain to the spinal cord?
The brain stem.
300
What is the tissue that makes the cerebral cortex called?
Gray matter.
400
What is a nerve?
A nerve is interconnected neurons.
400
What is the gap between neurons called?
A synapse.
400
What is the largest part of your brain called?
Cerebrum
400
Impulses moving away from the brain travel through what type of neurons?
Motor neurons.
400
What sensory organ helps you have balance?
The ear.
500
Where is the cerebral cortex located?
The outer portion of the cerebrum.
500
What parts of the PNS are responsible for transferring the signal to sensory nerves?
Sensory receptors.
500
What are the 2 halves of your brain called?
Hemispheres
500
What type of movement does the brain stem control?
Involuntary movement
500
What part of the brain controls balance?
the cerebellum
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