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.
1 50 percent of people living with HIV/AIDS are women. 2  88 percent of all children and 60 percent of all women living with HIV are in sub-Saharan Africa.  6.3 million children died in 2013 â 17,000 a day- mostly from preventable health issues such as malaria, diarrhea and pneumonia.