The spleen (from Greek ÏÏÎ»Î®Î½ â splá¸n) is an organ found in virtually all vertebrates. Similar in structure to a large lymph node, it acts primarily as a blood filter. The spleen plays important roles in regard to red blood cells (also referred to as erythrocytes) and the immune system.It removes old red blood cells and holds a reserve of blood, which can be valuable in case of hemorrhagic shock, and also recycles iron.he spleen is a center of activity of the mononuclear phagocyte system and can be considered analogous to a large lymph node, as its absence causes a predisposition to certain infections.
Cellulose is a type of polysaccharide plant fiber. Polysaccharide fiber is a carbohydrate composed of linked sugar molecules, however, humans lack the enzyme necessary to break cellulose down into component sugars, allowing your body to absorb it.he form of cellulose used in foods is soluble fiber. It is important to eat other food sources containing insoluble fiber, such as wheat bran, vegetables and whole grain, to gain the maximum contribution of fiber to health.
Cellulose is the major constituent of paper and cardboard and of textiles made from cotton, linen, and other plant fibers.Cellulose can be converted into cellophane, a thin transparent film, and into rayon, an important fiber that has been used for textiles since the beginning of the 20th century.ses of cellulose   Cellulose is a fibrous material found in most plants. Cotton for example is almost pure cellulose. Cellulose is used for making fibers for clothing etc.