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Title: Nervous System Continued
Description: Great notes about the different areas of the brain and their function. Includes discussion about the various aspects of the nervous system and its connection to the rest of the body.
Description: Great notes about the different areas of the brain and their function. Includes discussion about the various aspects of the nervous system and its connection to the rest of the body.
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BIO 230
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Perception-how you think about that pain, how you emotionally deal with pain, some
people react more to people hitting them in the arm than others do, some it may really hurt
others may barely feel it
...
Response
3
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▪ Far more complex than the spinal cord
▪ Contains roughly
▪10-20 billion neurons- stuff that is integrating, responding, memory is stored here
▪100 billion glial cells-all other cells such as oligodentrocytes which support brain
▪uses a lot of oxygen
▪primary source of energy is glucose
▪number one thing we are trying to maintain is blood glucose levels for the brain
Gray and white matter
Inner region of gray matter around ventricles forming nuclei which are clusters of neuron cell
bodies
...
• It acts as a cushion or buffer for the cortex, providing a basic mechanical
and immunological protection to the brain inside the skull
• serves a vital function in cerebralautoregulation of cerebral blood flow
...
• It constitutes the content of the ventricles, cisterns, and sulci of the brain, as well as
the central canal of the spinal cord
...
▪Two cerebral hemispheres receive sensory information from and generates motor commands to
the opposite side of the body
Title: Nervous System Continued
Description: Great notes about the different areas of the brain and their function. Includes discussion about the various aspects of the nervous system and its connection to the rest of the body.
Description: Great notes about the different areas of the brain and their function. Includes discussion about the various aspects of the nervous system and its connection to the rest of the body.