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The Effects of Cold on Blood Pressure and Pulse

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The Effects of Cold on Blood Pressure and Pulse
THE EFFECTS OF COLD ON BLOOD PRESSURE AND PULSE

Abstract

The ability known as thermoregulation is a feature of an organism that help to keep the body temperature within certain thresholds, thus independently from external conditions. A dynamic state of thermal balance of human body between its internal environment and the territory is a model example of precise control of organism heat. In the case where such stability would be disturbed the immediate response would appear as well. In accordance with the thermodynamic principles the flow of the heat will occur without change of the state (Houdas and Ring, 1982). Moreover, temperature coordination is closely related to the changes within the cardiovascular system as well. To support above theory the effects of low temperature on blood pressure and pulse were measured. These as main formulas of the body’s internal status by their continuous inconsistency are not only responsible for maintaining homeostasis within an organism but for regulation of a heat response as well. An assumption supported an antagonistic character of dependence between these cooperating factors.
An application of cold water to the limb, thus method used during the experiment has reflected a factual interaction between low temperature and the body. Results supported founded predictions. Therefore, whenever the temperature dropped the blood pressure has raised. Sudden and distinct changes in external conditions have an impact on internal structure operation character.

Introduction
An adjustment of a blood flow in connection to metabolic needs or a defence response is only possible by the existence of regulatory mechanisms. These are mostly responsible for an adaptation of the diameter of blood vessels together with the action of the heart to the organism requirements. There are many behavioural and physical factors that have got impact on regulatory circulation of blood in humans. Temperature is one of them. Smooth



References: Anon (2011). Vasoconstriction. Available from: http://en.wikipedia.org/wiki/Vasoconstriction [accessed at 13/11/2011, at 16:00] Anon (2011). Vasoconstriction image. Available from: http://healthguide.howstuffworks.com/vasocontrictionpicture.htm [accessed at 12/11/2011, at 17:00] Gardner, S. et al. (2007). Effects of Temperature on Blood Pressure. Available from: http://www.colorado.edu/eeb/courses/1230jbasey/abstracts%202007/17.htm [accessed at 10/11/2011, at 18:00] Houdas, Y. and Ring, E. (1982). Human body temperature- its measurement and regulation. 2nd Ed. U.S.A, New York, Plenum Press Parsons, K. (2003). Human Thermal Environments. 2nd Ed. England, London, Taylor & Francis Inc. Plant, A. (2011). Practical Biology Module 3: Physiology. Scotland, Edinburgh Wisniewski, H. (1997). Biology. 4th Ed. Poland, Warsaw, AGMEN Press

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