Nervous System Test Review

Nervous System Review

Collect InformationAnalyze InformationInitiate Response

Central Nervous SystemPeripheral Nervous System

BrainSpinal Cord

Nervous System Review

Control center of nervous system

Controls right side of body, thought and logic

Branch out from spinal cord

Controls the left side of the body, creativity

Reflex

Involuntary response to stimuli

Changes in the environment

Blinking and sneezing

Decision on how to respond to stimuli

Nervous System Review

BrainBrain Stem

Spinal Cord

NervesCerebellum

Cerebrum

Brain Stem

Nervous System ReviewCarries impulse along nerve cell “tail”

Contains genetic material for neuron

Allows signal to transmit quickly down axon/protective covering

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

SensoryNeuron

Inter Neuron

Motor Neuron

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

Test• Days 1,4: Test Mar 12

• Days 2,5: Test Mar 13

• Days 3,6: Test Mar 14

NOTE: Completed packet is due on test day!