Show:
Functions of the NS
NS Divisions - Part 1
NS Divisions - Part 2
The Senses
Alcohol/Drugs
100
What is 1 function of the nervous system?
Maintain homeostasis, receive stimuli, formulate a response to stimuli (any of these)
100
What is the central nervous system?
The part of the nervous system that contains the brain and spinal cord
100
What part of the brain controls balance and coordinates movements?
The cerebellum
100
What causes nearsightedness and farsightedness?
A defect in the shape of the eyeball
100
What is alcoholism?
Disease in which a person is physically and emotionally dependent on alcohol
200
What is an axon?
The part of a neuron that carries nerve impulses away from the cell body
200
What is the somatic nervous system?
The part of the peripheral nervous system that controls voluntary actions
200
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What is youtube?
200
What sense will be affected if the semicircular canals are damaged?
Sense of balance
200
What does BAC measure?
The concentration of alcohol in the blood
300
What is a synapse?
The space between an axon and the structure that receives the nerve impulse
300
What are the 3 regions of the brain?
Cerebrum, cerebellum, and brain stem
300
Which part of the brain is responsible for involuntary actions, such as heart rate and breathing?
The brain stem
300
What is the function of the cornea?
To allow light to enter into the eye
300
What are depressants?
Drugs that slow down the activity of the CNS
400
What is a motor neuron?
The type of neuron that sends an impulse to a muscle
400
What is a reflex?
An automatic response of the body that occurs very rapidly and without conscious control
400
What is the spinal cord?
Thick column of nerve tissue that links the brain to the rest of the body
400
What part of the ear do sound waves hit after traveling through the ear canal?
The eardrum
400
What is withdrawal?
Symptoms that a drug addict experiences when they stop using a drug
500
What is a stimulus?
Information from outside or inside the body that causes a response
500
What are 3 functions of the cerebrum?
Learning, memory, making judgments, interprets stimuli from senses, controls movement of skeletal muscles
500
What is the peripheral nervous system?
Part of the nervous system that consists of nerves that link the CNS with all parts of the body
500
What is the function of the lens?
To bend light and focus it on the retina
500
How does long-term alcohol abuse affect the body?
May damage cells in the brain and the liver and increase cancer risk