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