Composition of the human body not in an essential biological role. The average adult human body contains approximately atoms and contains at least detectable traces of 60 chemical elements. About 29 of these elements are thought to play an active positive role in life and health in humans. The relative amounts of each element vary by individual, mainly due to differences in the proportion of fat, muscle and bone in their body. Persons with more fat will have a higher proportion of carbon and a lower proportion of most other elements (the proportion of hydrogen will be about the same). The numbers in the table
Catholic theology of the body God in his image. This is considered important even today, as the existence of a soul is the basis for much Church teachings on the human body, in areas such as abortion. Ambrose of Milan and Augustine of Hippo applied these views in their teachings on the human body, virginity and celibacy. Thomas Aquinas developed a systematic view, which dominated Church teachings and ecumenical councils including Vatican II. All recent popes contributed from different angles to the theology of the body. Current issues include the dignity of the body in light of its divine origin and destination, its eventual resurrection;