What problem is the cell having if the area around the cells has a high concentration of sodium ions

Sodium ions are kept at low concentrations inside the cell and potassium ions are at higher concentrations. Outside the cell, it is the opposite. When a nerve message is sent, the ions pass across the membrane to send the message. After the message has passed, the ions must be actively transported back to their starting positions across the membrane.

it's unlikely a majority of a large population would agree on issues

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