It has long been discussed whether non-avian dinosaurs were physiologically closer to ectotherms or endotherms. with the internal nasal structure called the respiratory turbinate present in extant endotherms having been regarded as an important clue for this conundrum. However. the physiological function and relevance of this structure for dinosaur physiology are still controversial. https://www.mariameetsanna.com/product-category/brush-and-sponge-cleaner/