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
Given name names are special given names bestowed upon someone receiving a crown or entering a religious order. Such a person then typically becomes known chiefly by that name. The order "given name – family name", commonly known as the "Western order", is used throughout most European countries and in countries that have cultures predominantly influenced by European culture, including North and South America; North, East, Central and West India; Australia, New Zealand, and the Philippines. The order "family name – given name", commonly known as the "Eastern order", is primarily used in East Asia (for example in China, Japan, Korea, Malaysian