The whole process of mechanism of urine formation occurs in three stages and these are:- (i)...
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Political Theory; meaning and definitions, importance and...
Before analysing the definitions of Political Theory as given by some political scientists let us...
Know about the Mitochondria and its structure and function.
All aerobic cells of plants and animals contain mitochondria with the exception of bacteria and...
Know about the Nucleus and its structure and functions
Nucleus was discovered by Robert Brown (1831). Fleming later named the substance of nucleus as...
Human excretory system and its disorders
HUMAN EXCRETORY SYSTEM The human excretory system consists of a pair of metanephros kidney, a pair...
Cell wall, Structure and function of cell wall and cytoplasm
With the exception of reproductive cells and some unicellular lower plants, all plants cells are...
Different types of pollution; water, soil, radioactive, noise...
Pollution is the introduction of contaminants into the natural environment that changes the...