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Brain & Neuron Parts
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Surround the brain and spinal cord and its function is to protect and cushion these structures from injury
Cerebrospinal fluid (CSF)
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Why do teens require more sleep than adults?
Teen brains are still developing and more learning & neuron pathways are occurring
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Identify two functions of the Nervous System
Communication between brain and body; Coordinates all activities; Storage of information
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Part of the brain that controls all involuntary functions necessary to sustain life; also connects the brain to the spinal cord
Brain stem
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Known as the "master gland" because it is responsible for all hormone production and secretion.
Pituitary gland
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Part of the brain that coordinates movement of skeletal muscles and maintains the body's posture and balance.
Cerebellum
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The largest and most complex part of the brain; also known as the "thinking part" of the brain.
Cerebrum
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Part of the neuron that receives information and transmits impulses toward the cell body.
Dendrites
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This lobe is responsible for all sensory information, such as heat, col, pain, etc.
Parietal lobe
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Part of the neuron that contains the nucleus
Cell body
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Bundle of nerve fibers in center of the brain that allows the right and left hemispheres to communicate with one another.
Corpus Callosum
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This lobe is responsible for visual processing.
Occipital Lobe
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This lobe is responsible for hearing/auditory processing
Temporal
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Identify two reasons why the REM stage of sleep is the most important
Neurons, cells, tissues, organs are replenished; Information is put into memory; Growth hormone released; Immune system strengthened
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Gland that regulates body temperature, appetite, sleep, and thirst.
Hypothalamus
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Fatty layer of insulation that surrounds axon and speeds up nerve impulses.
Myelin sheath
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Part of the neuron that carries messages away from the cell body
Axon
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