Trachea into left and right main bronchi. The trachea begins level with the sixth cervical vertebra and the carina is found at the level of the fifth thoracic vertebra (T5), opposite the sternal angle and can be positioned up to two vertebrae lower or higher, depending on breathing. The trachea is surrounded by rings of hyaline cartilage; these rings are incomplete and C-shaped. The cricoid cartilage is attached to the first tracheal ring at top of the trachea and acts as the bottom of the larynx. There are fifteen to twenty rings in total, separated by narrow intervals. These reinforce the
Name day names in the Czech Republic gained slightly more importance than the others. For example, the dates associated with names Josef (Joseph) and Karel (Charles) are commonly known even by people with different names. However, the popularity of these names has decreased in the last years (6836 Josefs were born in 1947, but only 638 in 2014). Danes have their own calendar for name days (Danish 'navnedag'), see . However, the custom of celebrating one's name day is practically unknown in Denmark, and few Danes know when their name day is. Finnish Name Days Finns celebrate their name days (Finnish "nimipäivä",