Q1. Why will someone suffering from hyponatremia, a deficiency of sodium ions in blood, suffer from neurological symptoms ranging from tiredness, and muscle cramps to seizures and possible coma? How may someone become hyponatremic in a country where the salt content of food is generally very high?

Q2. Did you find out that the items grouped together as you worked down the flow chart had similar characteristics in terms of their appearance? What about the function?