Question

biological importance of sodium and potassium​

Answer 1

Answer:

Sodium maintains the electrolyte balance in the body. Potassium ions are primarily found inside the cell. Potassium ions maintain the osmolarity (the concentration of a solution expressed as the total number of solute particles per litre) of the cell. They also regulate the opening and the closing of the stomata

Explanation:

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Answer 2

➪Sodium

• Sodium ions are primarily found inside the human cells such as Nerve Cells.
• They regulate the flow of water across the membrane
• They are needed for transport of sugars and amino acids into the cells.
• Sodium maintains the electrolyte balance in the body.
• Salts of sodium such as sodium chloride is used as a preservative in pickling.
• A normal serum sodium level is about 135-145 mmol/L. A drop in sodium levels in the blood plasma below a reference value is known as Hyponatremia. Hyponatremia leads to headache, nausea, coma, seizures etc

➪Potassium

• Potassium ions are primarily found inside the cell.
• Potassium ions maintain the osmolarity (the concentration of a solution expressed as the total number of solute particles per litre) of the cell. They also regulate the opening and the closing of the stomata.
• Potassium ions acts as cofactor for certain enzymes such as pyruvate kinase.
• Potassium is important in heart function and in skeleton and muscle contraction.
• Diets with low potassium leads to hypertension.
• It maintains the electrolyte balance in the body.

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