A nasal cannula is a breathing aid that is placed in the nostrils to support oxygen needs in patients who can breathe spontaneously but require additional oxygen support, for example in conditions of mild to moderate hypoxia. Low poly is a polygon mesh in 3D computer graphics that has a relatively small number of polygons. Low poly meshes occur in real-time applications as contrast with high-poly meshes in animated movies and special effects of the same era.