How HIV Destroys Immune Cells During HIV infection, CD4 T cells in lymphoid tissues initiate a highly inflammatory form of cell death that helps cripple the immune system. By Dan Cossins | December 19, 2013
Confidence votes 3.9K. Digestion of starch and other carbohydrates begins in the mouth with an enzyme called salivary amylase. Lisa Lynn.
1 Amylase from our salivary glands and pancreas digests starch to maltose in our mouth and small intestine. 2  Lipase from the pancreas digests lipids to fatty acids and glycerol in our small intestine. 3  Pepsin is a protease that begins digestion of proteins, breaking them into peptides and amino acids.