Human digestive system a bolus which can be swallowed down the esophagus to enter the stomach. Here it is mixed with gastric acid until it passes into the duodenum where it is mixed with a number of enzymes produced by the pancreas. Saliva also contains a catalytic enzyme called amylase which starts to act on food in the mouth. Another digestive enzyme called lingual lipase is secreted by some of the lingual papillae on the tongue and also from serous glands in the main salivary glands. Digestion is helped by the chewing of food carried out by the muscles of mastication, by the
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.