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
The Body (Buffy the Vampire Slayer) and Dawn. She asks why her clothes are stupid and she is childish, weeping until Tara kisses and calms her. Anya asks Xander what she is supposed to do; he cannot answer. Willow changes her shirt again and Xander expresses his desire to find Glory and exact justice, then complains about Joyce's negligent doctors. Anya asks if they will see the body, then if the body will be cut open, and Willow responds angrily. Anya tearfully says she does not understand how to behave, or why Joyce cannot go back into her own body, unable to understand human death, she