Cubangbang’s 6th Ch.14 Stack1 #241259 – Flashcards
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Proper disposition of a discarded or discharged material in accordance with local environmental guidelines or laws
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16.Waste disposal
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Central Nervous System
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consists of the brain and the spinal cord.
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Peripheral Nervous System
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consists of millions of nerve cells that communicate with the central nervous system.
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Brain
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acts as the command center for the body.
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Cerebrospinal Fluid
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acts like a cushion and shock absorber for the brain and the spinal cord.
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Cerebrum
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one of three distinct part of the brain; largest part of the brain; has two hemispheres and four lobes.
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Cerebellum
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located underneath the cerebrum; receives orders from the frontal lobes and sends messages to the muscles throughout the body.
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Brain Stem
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located below the cerebrum and in front of the cerebellum; connects brain to spinal cord.
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Spinal Cord
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main pathway of information connecting the brain to the rest of the body.
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Lobe
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a distinct area of the cerebrum.
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Neuron
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a nerve cell that carries impulses between various parts of the body.
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Sensory Neurons
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carry messages to he brain.
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Motor Neurons
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send messages from the brain.
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Dendrite
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receives messages from another neuron.
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Impulse
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message.
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Axon
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sends the impulse on to the next neuron.
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Synapse
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a little gap between each neuron.
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Somatic Nervous System
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controls the skeletal muscle movements.
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Autonomic Nervous System
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controls involuntary activities.
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Reflexes
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an action that happens before the brain has time to think about the action.
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Senses
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allows us to interpret the sensory information that is gathered;hearing, sight, taste, smell, touch.
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Dermis
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inner layer of the skin.
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Epidermis
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outer layer of the skin.
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Memory
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the ability to remember.
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Short-term memory
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stores information temporarily.
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Long-term memory
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can store information for a very long time.
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REM
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Rapid Eye Movement; helps develop brain.
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EEG
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Electroenceplalograph;to study how the brain works.
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Hormones
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chemical messengers.
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Endocrine Glands
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special group of cells that make and release the hormones for the body.
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Target Cells
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specific group of cells affected by hormones.
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Hypothalamus
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group of special cells near the base of the brain.
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Pituitary Gland
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produces hormones that control other glands in the endocrine system.
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Epilepsy
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occurs when the neurons in the brain send thier electrical impulses too quickly and at an irregular rate.
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Multiple Sclerosis
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destroys the myelin coating that covers the axon in some neurons.
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Parkinson's Disease
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causes damage to certain brain cells that control movement.
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Alzheimer's Disease
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destroys brain cells; affect thinking processes.
