You encounter a patient with a rare (and made up) disease in which they exhibit malnutrition. The patient tells you that they eat more than enough food, but that most of the food they eat has no salt in it. When you look at the patients blood test, it shows they there are very little amino acids and sugar circulating in their blood. You've determined that the lack of salt in their diet is to blame. Why would a lack of salt cause low amino acid and glucose levels? Explain the mechanisms of absorption of these nutrients