Notes and Study material for Exams
Control And Coordination:Plants and animals All the living organisms respond and react to changes in the Environment around them. The changes in the environment to which the organisms respond and react are called stimuli such as Light, heat, cold, Sound, smell, touch etc. Coordination in plants Coordination refers to ordered working of different but interrelated … Read more
Movement of these pollutants involves two main processes: Bioaccumulation refers to how pollutants enter a food chain. there is an increase in concentration of a pollutant from the Environment to the first organism in a food chain. Biomagnification refers to the tendency of pollutants to concentrate as they move from one trophic … Read more
Endocrine Glands: harmone and their function The endocrine system is made up of glands that produce and secrete HORMONES, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body’s Growth, Metabolism (the physical and chemical processes of the body), and sexual development and function. The hormones … Read more
Nervous System Of Human Being The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body. It is essentially the body’s electrical wiring. Structurally, the nervous system has two components: the central nervous system and the peripheral nervous system. According to the … Read more