Mesoderm lining the coelom forms mesothelium. Separation of Peritoneal and Pleural Cavities: In the adult, peritoneal and pleural cavities are separated by the diaphragm. The diaphragm isformed by a septum transversum, paired pleuroperitoneal folds, and somatic mesoderm.
MYTH: AIDS is not caused by HIV. DEBUNKING: This is the biggie, of course. As long ago as 1983, researchers first isolated HIV from people with AIDS. By 1985, they had developed a test showing that the overwhelming majority of people with AIDS have antibodies to HIV in their blood.
Racism an underlying cause of HIV epidemic, says Charlize Theron. Racism is one of the underlying causes of the HIV epidemic and one of the reasons why it has not yet been brought to an end, according to actor and Aids campaigner Charlize Theron, who says that people are afraid to talk about it.