Keel (bird anatomy) keel; and ratites (from "ratis", "raft" — referring to the flatness of the sternum), having a subtle keel structure or lacking one entirely. However, this classification has fallen into disuse as evolutionary studies have shown that many flightless birds have evolved from flighted birds. The current definition of Carinatae now includes all extant birds. Keel (bird anatomy) A keel or carina (plural carinae) in bird anatomy is an extension of the sternum (breastbone) which runs axially along the midline of the sternum and extends outward, perpendicular to the plane of the ribs. The keel provides an anchor to which a
My Name Is My Name really, really want to do…[my approach to the mixtape is] not about more of a creative [decision], I just think it's about more of what I want to hear for myself and what my fans want to hear. They want to hear lyrics, they want to hear street [music]…it's just the whole street life perspective." On December 5, 2012, the first song released from the mixtape, "Blocka", which features guest vocals by Popcaan and GOOD Music's Travi$ Scott. The reggae-inspired track was produced by Young Chop. The music video was released on December 10, 2012. The second song was, "Millions",