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 One. Myth: AIDS is mostly an African problem. Fact: Of the 42 million people around the world who live with HIV/AIDS, 70% are in sub-Saharan Africa. HIV/AIDS exists and is spreading in Africa in a socioeconomic context created by western colonialism and, more recently, western trade and economic policies.
The Hiv/Aids story is a multi-billion/dollar/pound fraud, racket which is based on two fallacies: Aids is a single disease/aids is a disease and secondly that Aids is caused by the HI virus or the HIV VIRUS as some choose to call it - perhaps they think V in HIV stands for volcano.