Action potential and Sodium in biology

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Difference between Action potential and Sodium in biology

Action potential vs. Sodium in biology

In physiology, an action potential occurs when the membrane potential of a specific axon location rapidly rises and falls: this depolarisation then causes adjacent locations to similarly depolarise. Sodium ions are necessary in small amounts for some types of plants, but sodium as a nutrient is more generally needed in larger amounts by animals, due to their use of it for generation of nerve impulses and for maintenance of electrolyte balance and fluid balance.

Animal

Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.

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Calcium

Calcium is a chemical element with symbol Ca and atomic number 20.

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Cell membrane

The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space).

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Central nervous system

The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.

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Depolarization

In biology, depolarization is a change within a cell, during which the cell undergoes a shift in electric charge distribution, resulting in less negative charge inside the cell.

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Extracellular fluid

Extracellular fluid (ECF) denotes all body fluid outside the cells.

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Heart

The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.

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Ion

An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).

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Membrane potential

The term "membrane potential" may refer to one of three kinds of membrane potential.

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Na+/K+-ATPase

-ATPase (sodium-potassium adenosine triphosphatase, also known as the pump or sodium–potassium pump) is an enzyme (an electrogenic transmembrane ATPase) found in the plasma membrane of all animal cells.

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Neuron

A neuron, also known as a neurone (British spelling) and nerve cell, is an electrically excitable cell that receives, processes, and transmits information through electrical and chemical signals.

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Neurotoxin

Neurotoxins are toxins that are poisonous or destructive to nerve tissue (causing neurotoxicity).

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Plant

Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.

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Potassium

Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.

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Sodium

Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.

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