For element that comprise over 95% of the human body are

The four elements are oxygen, hydrogen, carbon, nitrogen. Before you start thinking we should float away with all the oxygen, hydrogen, and nitrogen atoms, remember that the oxgen molecules are mainly part of the water in our body (H2O). In fact, over half of the human body is made up of water (50-70%)

The four elements are oxygen, hydrogen, carbon, nitrogen

a time line cause it goes from 685 to 978