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.
HIV Myth 2: 'HIV and AIDS Are the Same Thing'. Absolutely not. HIV is the virus that infects a person and attacks the immune system. AIDS is the disease that develops later in people with HIV that remain untreated or don't respond to treatment.
It has been dubbed the incurable disease caused by an elusive virus called the HIV/AIDS virus. However, scientists have presented compelling evidence showing that HIV/AIDS is nothing more than a pseudo-science hoax and the real culprits are the AIDS medications like AZT that do more harm than good.