Answer :
Extracellular Fluid (ECF) increases when antidiuretic hormone (ADH) is present.
What is extracellular fluid?
In cell biology, extracellular fluid (ECF) refers to all bodily fluid that is present in multicellular organisms but not within the cells. In healthy adults, total body water makes up about 60% of total body weight (range: 45 to 75%); women and obese people often have a smaller percentage than lean men.
About one-third of the body's fluid is extracellular, while the other two-thirds is intracellular fluid found inside cells. The fluid that surrounds cells, called interstitial fluid, makes up the majority of extracellular fluid.
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