Liver (Anatomy, Histology and Functions)
Location: The liver is the largest gland in our body that weighs between 1 to 2.3 kg in a healthy adult. It is situated in […]
Zoology
Mechanism of breathing and its neural regulation
The process of respiration in human beings gets completed in four steps; Breathing External respiration Internal respiration (tissue respiration) Cellular respiration (Oxidation of glucose) Breathing […]
Enzymes, their characteristics and importance
Enzymes are organic compounds (mostly proteins) produced by the living cells to speed up the spontaneous biochemical reactions in and outside the cells in living […]
Polyploidy: Causes, Types and Significance
Mutation caused by the change in the number of chromosomes in an organism is called ploidy or genomatic mutation. It is further of two types: […]
Diseases transmitted by mosquitoes and their prevention
Mosquitoes spread or transmit the worst diseases in people. Diseases like encephalitis, filarial, dengue, malaria, yellow fever are transmitted by mosquito bites. S.N. Diseases Mosquito […]
Asexual and sexual reproduction in Paramecium
Asexual reproduction: Paramecium reproduces asexually by transverse binary fission and is found during favorable conditions. Binary fission in Paramecium completes in the following steps: Paramecium […]
Digestion of fats or lipids in human body
Fats and oils or collectively called lipids or tryglycerides are digested by lipases. Their digestion starts in the stomach and is nearly completed in the […]
Digestion of proteins in human body
Proteins of the ingested food are broken down into amino acids by proteases (peptidases). The proteases are secreted in inactive pro-enzymes to protect the mucous […]
Digestion of carbohydrates in human body
The food that we consume contains three types of carbohydrates namely; polysaccharides, oligosaccharides and disaccharides which need digestion. The polysaccharides include starch, glycogen and cellulose. […]
Transmission of Nerve Impulse at a Synapse
Synapse is the close proximity of the axon of one neuron and the dendrites or cyton of another neuron with a gap of just about […]