Trachea Diffusion of oxygen and carbon dioxide takes place across the walls of the smallest tubes, called tracheoles, which penetrate tissues and even indent individual cells. Gas may be conducted through the respiratory system by means of active ventilation or passive diffusion. Unlike vertebrates, insects do not generally carry oxygen in their haemolymph. This is one of the factors that may limit their size. A tracheal tube may contain ridge-like circumferential rings of taenidia in various geometries such as loops or helices. Taenidia provide strength and flexibility to the trachea. In the head, thorax, or abdomen, tracheae may also be connected
My Name Is My Name made by a 36-year-old rapper with more hunger than most 15 years his junior." Closing out the year, "My Name Is My Name" was named to multiple "Best Albums of the Year" lists. It was ranked at number 33 on "Rolling Stone"'s list of the 50 best albums of 2013. They commented saying, "The cockier half of the Clipse didn't choose to go solo — he had to after his brother found God. Pusha, in turn, found Kanye West, whose stark and twisted production helped make "My Name Is My Name" feel like a more lyrically focused companion piece to