Respiratory system in living organisms, Biology

Respiratory System in Living Organisms

Respiration is a necessary physiological process in all living organisms by which they obtain energy for carrying out all the metabolic activities of the body. The word respiration has several meanings. In Latin, from which it has been derived, the meaning of it is 'to breathe' or 'to exhale' and in this sense, respiration was basically applied to the exchange of gases between an organism and its environment. It meant the activities of breathing or their equivalent. As years rolled by, it became apparent that the basic exchanges occurred at the cellular level and consequently the term internal respiration was applied to this phase of gaseous exchange. The exchange of gases among the body surface and the environment then came to be called external respiration. This division is quite helpful even today. Now days however, respiration is frequently referred to the cellular processes included in energy production that is the chemical processes occurring in the cell to liberate energy. We are here concerned with external respiration and transport of gases among tissues and the respiratory site.

Posted Date: 2/4/2013 5:00:06 AM | Location : United States







Related Discussions:- Respiratory system in living organisms, Assignment Help, Ask Question on Respiratory system in living organisms, Get Answer, Expert's Help, Respiratory system in living organisms Discussions

Write discussion on Respiratory system in living organisms
Your posts are moderated
Related Questions
Q. Mammal identity card. How are mammals characterized according to examples of representing beings, skin, respiration, nitrogen waste, basic morphology, circulation, thermal contr

Determine the type of bandage The most common type of bandage is the gauze bandage, a simple woven strip of material which comes in different widths and lengths.

RAP can be determined semiquantitatively by assessing collapse of the inferior vena cava during inspiration. The inferior vena cava is imaged subcostally and its diameter is exa

State the Versions of Binocular movements Versions are movements of both eyes in the same direction. a) Dextroversions: Movements of both eyes to'the right side. b) Levov

Define Erythropoietin A. acts by stimulating the production of red blood cells by the peritubular interstitial cells of the kidney cortex. B. is secreted by cells in the bon

Why it was necessary to develop regulations on the preparation and sale?

Q. Find out risk factors for coronary disease? 1) Tobacco Smoking, the single most preventable cause of death is a leading risk factor for CAD, cerebrovascular accident and

Infective Endocarditis   It  is a term used to include subacute bacterial endocarditis as well as infection caused by viruses  and fungi.  The causative organisms responsibl

Ovule The ovule, also known as the megasporangium is the forerunner of the seed. It consists of a central mound of tissue called the nucellus, which is enveloped by one or tw

Q. Explain the types of classification of plants? It is practically impossible for anyone to study all the plants of the world, 'even if one spends whole life. Thus, it is nece