Typically, engineered wood products are made from the same hardwoods and softwoods used to manufacture lumber. Sawmill scraps and other wood waste can be used for engineered wood composed of wood particles or fibers, but whole logs are usually used for veneers, such as plywood, MDF or particle board.
Mucus is a slippery secretion of the lining of various membranes in the body (mucous membranes). It is a viscous colloid containing antiseptic enzymes (such as lysozyme) and immunoglobulins. Mucus is produced by goblet cells in the mucous membranes that cover the surfaces of the membranes.
While many people suffer from mucus buildup in throat from allergies, sometimes not even antihistamines clear up the problem. Your upper respiratory system is very close to the opening to your digestive system. Mucus in the throat can either come up from your stomach, or down from your nose and sinuses.