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Digestive System

Definition:                   "The mechanical and chemical break down of large, complex, non-diffusible food into small, simple, diffusible and soluble form is known as Digestion". 1)Mechanical digestion:                                       "The break down of food without the help of any chemical or enzyme action is called mechanical digestion". 2)chemical Digestion:                                    "The break down of food with the help of digestive juices or enzyme present in the digestive tract".                           Digestiv e System:                               "it is the system in which the organs are involved in the process of the digestive system or absorption. Part,s:           There are two different parts,s of the digestive tract. 1)Alimentary Tract:                                The food passes from that tract. It starts from the mouth and ends at the anus. It is consists of a mouth, pharynx, esophagu
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Three type of chromosome

There are three main types of chromosomes on the base of ribosomes: 1:free chromosome 2:membrane bounded chromosome 3:orgnelleies bounded membrane No1:          Free chromosome they  are present insole or matrix of the cell.  Many are present in the mitochondria of the cell.                                    No2:        Membrane-bounded chromosome.  The single chromosome  of a prokaryotic cell is not enclosed  within a nuclear membrane . Among eukaryotes, the chromosome  is contained in a membrane boundary of the  cell nucleus .  No3:        O rganelles bounded chromosomes are mainly found in the cytoplasm of the cell.  In the animals, cells have different organelles such as the endoplasmic reticulum, Golgi apparatus, chloroplasts, mitochondria, and others. Have contained  several, rod-shaped chromosome.              
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