Structure
The brain and spinal cord make up this
Central nervous system
Your nervous system provides this kind of pathways throughout the body.
Electrical
The nerve cell body is also called the...
soma
A very common injury that happens when your brain moves or twists inside your skull.
Concussion
Recurrent seizures caused by abnormal electrical activity in the brain
Epilepsy
This weighs about 3 pounds and is 60% fat.
The brain
The nervous system ___________ signals to and from different parts of the body
transmits
This is the branch of the nerve cell that sends signals
Axon
Concussions aren’t usually...
life-threatening
Parkinson’s is a progressive ____________________ disorder affecting movement.
Neurodegenerative
This part of the brain controls automatic functions such as your heartbeat and breathing,
Brainstem
The nervous system _______________ changes in the environment and responds to them.
senses
The fatty layer insulating some axons, increasing signal speed
Myelin sheath
TBI stands for...
Traumatic Brain Injury
Inflammation of the covering of the brain and spinal cord
Meningitis
This part of the brain that controls behavior and social skills does not develop fully until you are 25 years old.
The frontal lobe
The nervous system _______________ body functions and reactions
controls
At the end of the nerve called the axon hillock, an electrical signal converts to this kind of signal
Chemical
Spinal Cord injury can result in
paralysis
A chronic, autoimmune condition where the immune system attacks the myelin sheath
Multiple sclerosis
This c-shaped structure in the middle of the brain lets the two halves communicate with each other.
Corpus callosum
The nervous system _______________ information and makes decisions
processes
The space between one neuron and another is called
Synapse
Damage to the main nerve through the wrist caused by repetitive actions such as typing
carpal tunnel syndrome
These can be either ischemic or hemorrhagic
Strokes