Communicable and Non-communicable Disease 1. Communicable Disease Communicable disease are those which are caused by the attack of bacteria, virus, protozoa, fungi etc. in the body. These are transmitted through […]
There are two types of substances in the world; Living Thing and Non-living Thing. The body of living beings are made of cells. The nucleus of human cell contains 23 […]
Vascular System of Heart The heart of mammal, conical is completely enclosed in a membrane called Pericardium. Heart of mammal is four chambered. The two auricles are separated by an […]
Circulatory System of Man It consists of heart, arteries, veins and capillaries, Mammals. Birds and Crocodiles have a double circulation made up of the pulmonary circulation between the heart and […]
Differences Between DNA and RNA D.N.A. : Deoxyribose Nucleic Acid is its full form. It is nucleic acid which is present in chromosomes. It is a big molecules consisting of […]
