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 correct answer is: â¢ The virus that causes AIDS. Explanation: HIV, or human immunodeficiency virus, can lead to AIDS (acquired immune deficiency syndrome). Once HIV infection occurs, it persists for life.he correct answer is: A A chimpanzee. Explanation: A chimpanzee version of the HIV virus, known as simian immunodeficiency virus (SIV), was believed to be transmitted to humans when chimpanzees were hunted for meat in West Africa, causing humans to come into contact with blood of the infected animals.