There are approximately 7 x 1027 atoms in the average human body. This is the estimate for a 70 kg adult human male. Generally, a smaller person would contain fewer atoms; a larger person would contain more atoms. On average, 87% of the atoms in the body are hydrogen or oxygen. Carbon, hydrogen, nitrogen, and oxygen together account for 99% of the atoms in a person. There are 41 chemical elements found in most people. The exact number of atoms of the trace elements varies widely according to age, diet, and environmental factors.
Symbols on California's Flag The once common California grizzly bear (also the official state animal) portrays strength; the star represents sovereignty; the red color signifies courage; and the white background stands for purity.
The Division of the States During the Civil War. The 34-star, prewar flag of 1861 symbolized an expanding Union. In the last decade the nation had leapfrogged over the prairies and mountains to admit California and Oregon; on the eve of Lincoln's inauguration Kansas came into the fold. Moreover, the Eighth Census, taken in 1860 revealed a country expanding in directions other than geographical.