What percentage of water in the human body contributes to electrical conductivity?

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Multiple Choice

What percentage of water in the human body contributes to electrical conductivity?

Electrical conductivity in the body comes from ions dissolved in body fluids. Water by itself isn’t a strong conductor, but when electrolytes like sodium, potassium, chloride, and others dissolve in it, the ions move and carry electric current. Most of the body's water is inside cells as intracellular fluid, which holds a high concentration of these ions and provides a large pool of charge carriers. That intracellular fluid is the major contributor to the body’s conductive pathways, so roughly seven tenths of the body's water participates in conduction. The remaining extracellular fluid also conducts, but it represents a smaller portion of the total.

Electrical conductivity in the body comes from ions dissolved in body fluids. Water by itself isn’t a strong conductor, but when electrolytes like sodium, potassium, chloride, and others dissolve in it, the ions move and carry electric current. Most of the body's water is inside cells as intracellular fluid, which holds a high concentration of these ions and provides a large pool of charge carriers. That intracellular fluid is the major contributor to the body’s conductive pathways, so roughly seven tenths of the body's water participates in conduction. The remaining extracellular fluid also conducts, but it represents a smaller portion of the total.

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