political science humanities

Gaseous Exchange in Human Beings - In human beings, the respiratory organs are the lung..

Introduction - The human eye uses light and enables us to see objects around u..

Structure of Human Ear - Ears are extremely sensitive device with the help of which we are able to hear. The ear consists of three basic parts - the outer ear, the middle ear, and the inner ear. Each part of the ear has a specific role in the task of detecting and interpreting sound. The ..

Ears are extremely sensitive device with the help of which we are able to hear. The ear consists of three basic parts - the outer ear, the middle ear, and the inner ear. Each part of the ear has a specific role in the task of detecting and interpreting sound. The outer ear is called pinna. It colle..

The human beings are bisexual with two separate sexes - male and female. The individuals of the two sexes show distinctive features called the secondary sexual characteristics . Some of the male secondary sexual characteristics are facial hair, cracking of voice, etc. female secondary..

Ears are extremely sensitive device with the help of which we are able to hea..

Chemically the term alcohol refers to a group of organic compounds, having -OH group in their composition. But the word alcohol used by the common man refers to ethyl alcohol or ethanol. It has a variety of uses, especially as a solvent. But by far the greatest use of alcohol is in the form of alc..

The transport system in animals is called the circulatory system. The materials are transported from one part of the body to another by a mass flow system which is the circulatory syste..

Introduction - Transportation whether in plants or animals is the key to the efficient assimilation of the nutrients that the organisms synthesise, get from their environment or diges..

Human Digestive System - The Mouth Cavity - Man is omnivorous - feeding on different kinds of food. Thus, the structure of the digestive system should be adapted to this diet. The human digestive system consists of an alimentary canal, which is approximately 8metres long. The al..