Which essential mineral supplied by onions is specifically mentioned as vital for maintaining healthy blood pressure and fluid balance?
Answer
Potassium
Onions contribute several necessary micronutrients, and among the minerals they supply, potassium plays a particularly critical role in physiological regulation. Potassium is an essential electrolyte necessary for numerous bodily functions, prominently including the regulation of blood pressure. Adequate potassium intake helps counterbalance the effects of sodium and is fundamental for ensuring proper fluid balance across the body's cells and tissues. Therefore, consuming onions as part of a balanced diet directly supports the maintenance of these vital homeostatic processes.
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