Respuesta :
This hyperpolarization is due to the exiting of potassium ions or the influx of chloride ions through the channels in the neuron. During this time, the neuron enters a refractory period (approximately 2ms), during which an action potential is unable to be transmitted. After this timeframe, the neuron resets to around -70mV and the cell becomes able to re-transmit an action potential.
The temporary hyperpolarization that occurs at the end of the action potential is caused by the potassium ions or the influx of chloride ions through the channels in the neuron.
Further Explanation:
potassium ions:
Physiologically, it exists as a particle in the body. Potassium(K+) is a decidedly charged electrolyte, cation, which is available all through the body in both intracellular and extracellular liquids. Most of body potassium, >90%, are intracellular.
potassium particles found in the body:
Generally 98% of the potassium in your body is found in your cells. Of this, 80% is found in your muscle cells, while the other 20% can be found in your bones, liver and red platelets ( 6 ). Once inside your body, it works as an electrolyte.
Influx of chloride particles:
This opening prompts an enormous convergence of emphatically charged sodium particles into the neuron making an activity potential be produced. Now and again, chloride particles are siphoned back over the cell surface to keep up resting film potential.
Neuron:
A neuron (additionally called neurone or nerve cell) is a phone that conveys electrical motivations. Neurons are the essential ( utilitarian and auxiliary ) units of our sensory system. Each neuron is made of a phone body (additionally called soma or cyton), dendrites and an axon. Dendrites and axons are nerve strands.
Subject: biology
Level: High School
Keywords: potassium ions, potassium particles found in the body, Influx of chloride particles, Neuron.
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