We shall examine common examples of pathogenic disease where water pollution is responsible in part or in whole. The diseases include infection by one of four major categories of organisms: 1. Enteric viruses, 2. Bacteria, 3. Protozoans, and 4. Worms. 1. Viral Infections: Viruses are properly identified as obligate, intracellular parasites. This means that, while they can survive in the [...]
List of four important allergies seen in humans: 1. Antibody-Mediated Hypersensitivity 2. Allergic Rhinitis 3. Hypersensitivity Pneumonitis 4. Cellular- Mediated Hypersensitivity. 1. Antibody-Mediated Hypersensitivity: Immediate hypersensitivity is related to the development of reaginic antibodies, usually Immunoglobulin E (IgE) and less often IgG, in sufficient quantities to evoke the symptoms of hay fever, asthma, hives, and anaphylactic shock. These antibodies are [...]
Read this essay to learn about ecology. After reading this essay you will learn about: 1. Introduction to Ecology 2. History and Scope of Ecology 3. Definitions 4. Origin of Ecological Crises 5. Four Laws 6. Objectives 7. Subdivisions 8. Community Ecology 9. Rules. Essay Contents: Essay on Introduction to Ecology Essay on the History and Scope of Ecology Essay [...]