Human digestive system in the small intestine. Water and minerals are reabsorbed back into the blood in the colon of the large intestine, where the environment is slightly acidic. Some vitamins, such as biotin and vitamin K produced by bacteria in the gut flora of the colon are also absorbed. The parietal cells in the fundus of the stomach, produce a glycoprotein called intrinsic factor which is essential for the absorption of vitamin B12. Vitamin B12 (cobalamin), is carried to, and through the stomach, bound to a glycoprotein secreted by the salivary glands - transcobalamin I also called haptocorrin, which protects the acid-sensitive
Acidic (band) cover the medical expenses of Deftones bass player Chi Cheng. ACIDIC is also involved with The Leukemia & Lymphoma Society, which helped drummer Matt Whitaker and his family during his battle with cancer. The band has supported that organization since 2008, playing at Light the Night walk-a-thon events and Man/Woman of the Year fundraisers. They worked with Charitybuzz in the spring of 2010, auctioning a guest slot in the band at one of their Whisky a Go Go concerts, which was won by a 17-year-old guitarist from Seattle. Critical raves continue to pour in for ACIDIC on CD and onstage.