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
The Unknown Known for Rumsfeld, Iraq. At one point, Morris asks Rumsfeld, "Have you seen "The Fog of War"? What do you think about that?" to which Rumsfeld responds, "I hate it. That man had nothing to apologize for." Morris himself has been resistant to comparisons, stating "You can’t call this ‘"The Fog of War 2".’ I can’t imagine two individuals more unalike." The Unknown Known The Unknown Known (also known as The Unknown Known: The Life and Times of Donald Rumsfeld) is a 2013 American documentary film about the political career of former U.S. Secretary of Defense and congressman Donald Rumsfeld, directed