2. Once you recognize that this is a single replacement problem, determine whether the non-bonded element is a cation or anion. Then determine which element it will replace. Remember cations can only replace cations and anions can only replace anions.
If you haven't eaten for several hours and your blood sugar level drops, another hormone from your pancreas called glucagon signals your liver to break down the stored glycogen and release glucose back into your bloodstream.
A low red blood cell count may be indicative of certain health problems, including anemia, blood loss, or malnutrition. People who have a low level of red blood cells may also be deficient in certain nutrients, particularly iron. A low count may be normal for some people, including pregnant women or young women who have just begun menstruating.