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.
White blood cells, also called the leukocytes, help fight off infections in your body. Normally you will have between 3,500 and 5,000 white blood cells per microliter of blood. Less than this is considered low. A low white blood cell count means your body's ability to fight off infections is compromised. Types White blood cells come in five types: basophils, eosinophils, lymphocytes, monocytes and neutrophils.