Part 2 of 3 Carl Sagan famously said in his TV series Cosmos, "We are made of star stuff." Are we? Below is the composition of human beings and the origin of the elements. Using these two charts, estimate the percentage of the elements in the human body that are made by stars. You may report your answer as a decimal, fraction, or percentage, but if you report a percentage, you must use the symbol "%%" Others Element Symbol Percentage In Body Oxygen O 65.0 3% Nitrogen Carbon C 18.5 Hydrogen H Hydrogen 10% 9.5 Nitrogen N 32 Calcium Ca 1.5 Carbon 16% Phosphorus P 1.0 Potassium K 0.4 Sullur S 0.3 Sodium Na 0.2 Oxygen Chlorine 0.2 Magnesium 0.1 Trace elements include boron (B), chromium (Cr). coball (Co), copper (Cu), fluorine (F), lodine (), iron (Fe), manganese (Mn), molybdenum (Mo), loss than 1.0 selenium (Se), silicon (Si), tin (Sn), vanadium (V). and zino (Zn). Where did the remaining percentage come from