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.
Dr. David Lipkin Dr. Lipkin. See answer: A low white blood cell count(leukopenia) may or may not be significant. People of African ancestry can normally have a reduced WBC. A diet deficient in Vitamin D and/or lack adequate exposure to sunlight can lead to Vitamin D deficiency. Taking Vitamin D3 600-800 units daily is recommended.