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 number of WBCs is called leukopenia. One type of white blood cell is the neutrophil. This type of white blood cell is important for fighting infections. An adult with fewer than 1700 neutrophils in a microliter of blood has a low white blood cell count.