Vocab 1
The part of the brain that controls conscious though decision making processes
cerebrum
The part of the brain that controls posture, balance, coordination, and voluntary muscles
cerebellum
A depressant drug that slows down the central nervous system
alcohol
A long rod of nerve tissue in the spine
spinal chord
The largest part of the brain
cerebrum
Ways to help prevent head or spinal cord injuries
BE SAFE - wear helmets when needed, buckle up in cars, follow safety rules for ALL activites, don't do unsafe things
A deep unconsious ness from which a person has not been aroused
coma
An automatice response to a movement, noise, or some other stimulus
reflex
The branchlike structiure of a neuron that receives messages
dendrite
Paralysis from the neck down
quadriplegia
How fast impulses move
100 m/second
What stimulants do to the nervous system
Bonus: Name stimulants
Speeds up the system
caffeine and other drugs you shouldn't use
The physical dependence of person's body on a drug
addiction
A drug that is against the law to buy, possess, or sell
illegal drug
The part of the brain that regulates breathing, heart rate, blood pressure, consciousness, hunger, thirst, and emotions
brain stem
The branchlike structure of a neuron that sends messages to other neurons
axon
What the brain stem does with impulses
Only sends on the important ones
Filters them out so we don't go crazy
What depressants do to the nervous system
Bonus: Name depressants
Slows down the system
Alcohol and some other drugs you shouldn't use
A stimulant drug present in coffee, tea, pop, and energy drinks
caffeine
Paralysis of the lower body and legs
parapalegic
A bruise on the brain
contusion
The nerve cell that relays information to the brain
neuron
The job of the spinal cord
Transports impulses from every part of the body to the brain and back
Effects on the body because of the use of illegal drugs
Addiction, brain damage, getting high, anxiety, depression, hallucinations, damage to liver or other body organs, catching diseases, heart attacks, death
The message that neurons carry
impulse
To see or hear things that are not real
hallucinate
A chemical stimulant in tobacco that raises a person's hear rate and blood pressure
nicotine
A hard blow to the head that may cause temporary loss of consciousness
concussion
The usual cause of paralysis
An injury to nerve tissues in the spinal cord
Infections of the nevous system from pathogens
meningitis, encephalitis, polio