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.
The name Juliana has been around in America for well over 100 years, but Julianna with two âNâs only came into use in 1965 â although not significant, consistent usage until 1980 when Juliana began to take off in popularity. The trend to alter â-anaâ names to â-annaâ in American can be found through several examples.