Nervous System Review
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Central Nervous SystemPeripheral Nervous System
BrainSpinal Cord
Nervous System Review
Control center of nervous system
Controls right side of body
Branch out from spinal cord
Controls the left side of the body
Reflex
Involuntary response to stimuli
Changes in the environment
Blinking and sneezing
Decision on how to respond to stimuli
Nervous System ReviewCarries impulse along nerve cell “tail”
Contains genetic material for neuron
Allows signal to transmit quickly down axon
First part of neuron to receive impulse
Houses the nucleus
Carries messages to the brain
Carries messages inside the brain
Carries messages to the body
Space between neurons and another neuron or muscle or organ;
Ends of the Axons
Dendrite
Cell Body
Nucleus
Myelin Sheath
Axon
Axon Terminal
Synapse
Nervous System Review
Cerebellum Controls -
Cerebrum Controls -
Brain Stem -
coordinates the muscles that you use for action such as running, walking, or playing the piano. It also helps control your balance and maintain posture.
involuntary actions such as breathing, heart rate, swallowing and blinking.
It regulates all your thoughts and actions. There are many sections of the cerebrum that control what you hear, smell, how you move, how you think, write, talk and express emotions.
Nervous System Review
Alzheimer’s Disease
Multiple Sclerosis
Stroke
Cerebral Palsy
Parkinson’s Disease
Impaired memory, thinking and behavior; sometimes confused with aging
Chronic disease of CNS; Caused by destruction of myelin sheath – means impulses (signals) slow down or can’t get through
Brain cells die because of lack of oxygen; Brain attack; blood vessels can clog (thrombosis) or burst (hemorrhage)
Movement disorder; varies from not being able to walk to being able to move more easily;
Degenerative disease characterized by Tremors of the limbs of the body
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