Human body as multicellular organisms which reside in the gastrointestinal tract and on the skin. Not all parts of the body are made from cells. Cells sit in an extracellular matrix that consists of proteins such as collagen, surrounded by extracellular fluids. Of the 70 kg weight of an average human body, nearly 25 kg is non-human cells or non-cellular material such as bone and connective tissue. Cells in the body function because of DNA. DNA sits within the nucleus of a cell. Here, parts of DNA are copied and sent to the body of the cell via RNA. The RNA is
Catholic theology of the body the image of God. These questions, addressed by the ancient Church, are relevant to a modern theology of the body, because they relate to concerns and definitions on the beginning and nature of human life. Clement of Alexandria (140?-220) viewed the body as the inferior partner in the body-soul relationship. The body tends to be sinful. The soul has three advantages over the body: it gives unity and life to the body; allows the body to reason; and is oriented towards God, while the body is oriented towards food and sex. The body is the grave of the soul, but