Mechanism of Breathing and Cellular Respiration
The mechanical process of breathing involves inspiration and expiration.
The mechanical process of breathing involves inspiration and expiration.
Respiration is different in aquatic and terrestrial animals. Aquatic animals repire by means of gills and skin while terrestrial animals breathe in through lungs.
The digested food is absorbed into the body from where it is distributed to all its cells.
In a human being the ingestion of food is brought about in mouth where it is crushed into fine pieces by teeth.
Mode of nutrition through which an organism depends on other organisms for food due to its inability to synthesise food is called as heterotrophic nutrition.
According to the World Health Organisation (WHO) – Nutrition is the intake of food, considered in relation to the body’s dietary needs.
There are four basic factors that cause population change in a country – Natality or the birth rate, Mortality or…
In the new strategy of the Forest Management, local public is allowed to be involved in conservation and management of forests with the government. This strategy is called as Integrated Forest Conservation and Management.
A population is a group of individuals of a particular species occupying a particular area at a specific time.
The development in all sectors of a country is essential to feed its growing numbers and to feed and to…
A forest is a highly complex and constantly changing environment. It is made up of a variety of living things like wildlife, trees, shrubs, wildflowers, ferns, mosses, lichens, fungi and microscopic soil organisms; and non-living things such as water, nutrients, rocks, sunlight and air. Trees are the biggest part of this complex community.











