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There are two types of cells neurons and glia which are apart of the Central Nervous System. There up to 50 times more glia more than neurons in the CNS. Neurons have 4 different parts to it's structure. Neurons communicate with eachother using their action potential along the axon. The neurotransmission using chemicals across the synapse. The information flows from the chemical synapse to the electrical synapse.The electical synapses are connected by the gap junctions. This permits changes in a neuron's electical properties, causing them to behave as one. The presynaptic neuron is seperated from the post synaptic neuron, called the synaptic cleft. It over comes this gap by acting like a chemical messenger linking action potentials of the two different neurons (Tolento & Bendirian. 2019).
Tolento, J., & Bedirian, R. (2019). Cardiac autonomic modulation related to prayer may contribute to the reduced cardiovascular mortality associated with religiosity/spirituality. Journal of Integrated Cardiology Open Access. DOI: 10.31487/j.JICOA.2019.02.05 Retrieved from Prayer is Related to a Reduction in Cardiovascular Mortality

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Repolarization of the action potential is when the potassium channels are open. The potassium ions are repelled byrhe positive charge inside and so some move to the outside, returning the potential back to resting potential (Tolento & Bendirian. 2019).
Tolento, J., & Bedirian, R. (2019). Cardiac autonomic modulation related to prayer may contribute to the reduced cardiovascular mortality associated with religiosity/spirituality. Journal of Integrated Cardiology Open Access. DOI: 10.31487/j.JICOA.2019.02.05 Retrieved from Prayer is Related to a Reduction in Cardiovascular Mortality

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During the depolorization of the action potential sodium channels open and sodium ions rush in. This cause the insdie of the cell membrane to be slightly more positive than the outide, causing the sodium channels to close (Tolento & Bendirian. 2019).
Tolento, J., & Bedirian, R. (2019). Cardiac autonomic modulation related to prayer may contribute to the reduced cardiovascular mortality associated with religiosity/spirituality. Journal of Integrated Cardiology Open Access. DOI: 10.31487/j.JICOA.2019.02.05 Retrieved from Prayer is Related to a Reduction in Cardiovascular Mortality

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The two main ions involved is the sodium and potassium ions (Tolento & Bendirian. 2019).
Tolento, J., & Bedirian, R. (2019). Cardiac autonomic modulation related to prayer may contribute to the reduced cardiovascular mortality associated with religiosity/spirituality. Journal of Integrated Cardiology Open Access. DOI: 10.31487/j.JICOA.2019.02.05 Retrieved from Prayer is Related to a Reduction in Cardiovascular Mortality

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An ion is a molecule with a net electrical charge. A resting ion sits at -70mV, it has a positive sodium outside the cell. Inside the cell there are positive potassium ions that are mixed with bigger negatively charged protiens making the inside negative. Ions move in and out of the cell using different channels and pumps (Crash Course, 2015).
Crash Course. (2015). The Nervous System, Part 2 - Action Potential. Retrieved from: https://www.youtube.com/watch?v=OZG8M_ldA1M

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Difference between action potentials & Electronic devices 

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Difference between action potentials & Electronic devices 

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The electric signals are simular in both the action potential and an electronic device. But in the electronic device, the electrical signals occur due to the ions that are electically charged moving along a wire and in the neuron the electrical signal occurs as the ions move across the neurons membrane using a sodium potassium pump (Tolento & Bendirian. 2019).
Tolento, J., & Bedirian, R. (2019). Cardiac autonomic modulation related to prayer may contribute to the reduced cardiovascular mortality associated with religiosity/spirituality. Journal of Integrated Cardiology Open Access. DOI: 10.31487/j.JICOA.2019.02.05 Retrieved from Prayer is Related to a Reduction in Cardiovascular Mortality

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4 parts of the Neurons & Their Functions 

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4 parts of the Neurons & Their Functions 

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The cell body also called the soma. It is the metabolic "control center", this is also the "manufactoring and recycling plant". The 2nd and 3rd prosses are extended away from the cell body. It recieves signals from other cells through its dendrites. Each neuron only has one axon. The 4th part lies at the axon terminals. They contain the neurotransmitters. "Neurotransmitters are the chemical medium through which signals flow from one neuron to the next at chemical synapses (Tolento & Bedirian, 2019)."
Tolento, J., & Bedirian, R. (2019). Cardiac autonomic modulation related to prayer may contribute to the reduced cardiovascular mortality associated with religiosity/spirituality. Journal of Integrated Cardiology Open Access. DOI: 10.31487/j.JICOA.2019.02.05 Retrieved from Prayer is Related to a Reduction in Cardiovascular Mortality

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Neurons transmit signals and respond to stimuli, that are surrounded by glial cells. Glial cells provide nutrition, insulation, and support. They also help signal transmission within the nervous system (Crash Course, 2015).
Crash Course. (2015). The Nervous Sytem, Part 1. Retrieved from: https://www.youtube.com/watch?v=qPix_X-9t7E