Based on the observations you made in the activity, how do you think your total cholesterol score would change if you started eating more unsaturated fats than you currently do? What if you started eating significantly less saturated and trans fats than you currently do? What if you did both at the same time?

Sorry i dont under stand can you rephase that

Na+ loss through sweet plus the dilution has lowered na+ concentration outside of neurons, altering the na+ equilibrium potential. sodium exists more outside the cells than inside. when na+ is lost by sweat plus the dilution( because they drink a lot of water) changes the concentration outside the cell, forcing the water to enter the cell and attempt to balance the concentration inside/outside.the problem is that the abundance of water will cause the cells to swell. most cells can adapt, however, the brain cells can't that's why the runner has confusion and can't control the muscles.  if not treated and this occurs in less than 48 hours, it can be immediately fatal .