Respuesta :
In the stimulation, there’s an influx of sodium ions. So, the cell acquires a positive charge. But when the positively charged potassium ions move outside of the cell, the neuron returns to its previous state.
Due to influx of sodium ions, the neuron acquires a positive charge and is stimulated. This known as the action potential.
What is the potential of neuron?
- It's all about ions when it comes to signal transmission across a neuron and its axon.
- A charged particle, such as the sodium ion Na+, is known as an ion. It has a positive charge because one electron is missing. Negatively charged ions, on the other hand, are abundant.
- Lipid molecules (fats) make up cell membranes, which prohibit most items from entering or leaving the cell.
- However, proteins that protrude from both sides of a cell membrane can be found all across it. Ion channels are among them.
How does action potential works?
- Pumps are the name given to ion channels. They utilize the energy provided by the cell to forcefully push ions into or out of the cell.
- The sodium-potassium pumps on neuron membranes are the best examples. Sodium ions (Na+) are pushed out of the cell, whereas potassium ions (K+) are pushed in.
- sodium and potassium ions are both positive. Neurons have a strong negative charge inside, as opposed to a positive charge on the outside.
- The axon's action potential is a moving ion exchange that runs the length of the axon.
- So many sodium ions sneak in that the difference between the outside and interior of the cell is actually reversed for a short time: The inner is positive, but the outward is negative
- The sodium gates close and the potassium gates open, and the situation changes. Potassium rushes out of the cell, restoring the charge inside it to its original state: negative on the inside, positive on the outside.
learn more about action potential of neuron here:
https://brainly.com/question/6705448
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