The past two weeks we have been talking about the nervous system. The nervous system is separated into two categories: the central nervous system (CNS)and the peripheral nervous system (PNS). The central nervous system consist of the brain and spinal cord. The peripheral nervous system includes all the nervous tissue outside the CNS. There are both similarities and differences to chemically and voltage regulated ion channels. They are both unique shaped and change shape allowing ions to move across the plasma membrane. The chemically regulated ion channels change by binding to a chemical whereas voltage ion channels change shape because of the electrical charge.
When learning about the nervous system I was unsure of the diseases related to this system until the last class we had. This is when we mentioned Alzheimer's Disease and how it related. I work with Alzheimer's patients on a regular basis so I see how they decline but I did not realize why they declined in the way they did until the other day. It is very interesting once you understand how the disease works.
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