Human digestive system the superior mesenteric artery, which supplies the regions of the digestive tract derived from the midgut, which includes the distal 2/3 of the duodenum, jejunum, ileum, cecum, appendix, ascending colon, and the proximal 2/3 of the transverse colon. The final branch which is important for the digestive system is the inferior mesenteric artery, which supplies the regions of the digestive tract derived from the hindgut, which includes the distal 1/3 of the transverse colon, descending colon, sigmoid colon, rectum, and the anus above the pectinate line. The enteric nervous system consists of some one hundred million neurons that are embedded
Just What I Needed stations WCOZ and WBCN from the said demo tape, along with its future follow-up single "My Best Friend's Girl". Shortly thereafter, it became one of the stations' most requested songs. The opening riff of "Just What I Needed" was borrowed from "Yummy Yummy Yummy", a song by the Ohio Express. It also features a prominent keyboard riff performed by Greg Hawkes. The song was sung by the Cars' bassist Benjamin Orr rather than usual lead vocalist, Ric Ocasek. "Just What I Needed" was released as a single in 1978 prior to the release of "The Cars", backed with "I'm in