Best Answer: There are several nuclei involved, but they are primarily located in the medulla and pons, both of which are considered part of the brain stem. One very key region is called the pre-Botzinger complex. Neurons in this region have pace making firing patterns, which could create the oscillations that form the basis for inspiration and expiration. The link below is to a 1991 Science paper which identified this region: http://www.ncbi.nlm.nih.gov/pubmed/16830...
Queen Juliana of the Netherlands. Queen Juliana of the Netherlands. Princess Juliana, who has died, aged 94, of a lung infection, was Queen of the Netherlands from 1948 to 1980, when she abdicated in favour of her daughter, Queen Beatrix. Hers was a reign marked by dramatic upheavals, national and personal.
Queen Elizabeth II never held the title as her aunt, Princess Mary, was in possession of the title. The Princess Mary (1631-1660), the inaugural holder (1642-1660) of the title Princess Royal. There have been seven Princesses Royal. Princess Anne is the current Princess Royal. The title Princess Royal came into existence when Queen Henrietta Maria (1609â1669), daughter of Henry IV, King of France, and wife of King Charles I (1600â1649), wanted to imitate the way the eldest daughter of the King of France was styled Madame Royale.