A table in the form of the periodic table of elements, where the essential elements of the human body are highlighted. The table shows:

• Major elements (approximately 98.6 percent of total): Hydrogen, Carbon, Nitrogen, Oxygen, Phosphorus, Calcium
• Lesser elements (approximately 1.4 percent of total): Sodium, Magnesium, Sulfur, Chlorine, Potassium, Iron, Zinc
• Trace elements (less than 0.01 percent of total): Boron, Fluorine, Silicon, Vanadium, Chromium, Manganese, Cobalt, Copper, Molybdenum, Tin, Iodine
• Nonessential elements: All other elements of the periodic table