Polycythemia Vera. This slow-developing disease occurs when bone marrow produces too many red blood cells, which can lead to thickening of the blood. The condition is thought to be caused in part by a mutation in a gene called JAK2, which regulates the production of various types of blood cells, keeping them in proper balance.
Hilly landscapes and cathedrals dominate much of Andalusia, Spain. The Iberian Peninsula, predominately occupied by the European countries of Spain and Portugal, lies in southwestern Europe. With an area of 582,000 square kilometers, its is the third largest peninsula in the continent.
Share to: The Arabian Peninsula is located in Southwest Asia on which the present day nations of Saudi Arabia, Yemen, Oman, the United Arab Emirates, Qatar, Bahrain, and Kuwait are loca â¦ ted.It is East of Africa, and West of Iraq. Answer based on History of Our World Textbook by Prentice Hall.4 people found this useful.he Arabian Peninsula is located in Southwest Asia on which the present day nations of Saudi Arabia, Yemen, Oman, the United Arab Emirates, Qatar, Bahrain, and Kuwait are loca â¦ ted. It is East of Africa, and West of Iraq. Answer based on History of Our World Textbook by Prentice Hall. 4 people found this useful.