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Discuss the role of circulatory system?



The circulatory system is the process of the body through which the different function of the body is carried out. In other words, the circulatory system is the organization of different vessels and organs in the form of the network as explained by Antoshechkin et al. (2007). The circulatory system functions in the respiration, nutrition, immunity, waste removal, thermoregulation and cellular communication. It delivers the oxygen to the different parts and organs of the body, it removes the waste metabolic product and the carbon dioxide from the body.

When the toe of the patient is burned, there is a loss of plasma fluid that circulates in the body, the loss of the plasma fluid occurs due the increase in the capillary permeability that is accompanied by the decrease output of the cardiac.  The whole process results in the increase of the heart rate along with the peripheral vascular that works as a resistance. The cardiac results in dysfunction as because there is an increase in the pulmonary resistance that follows the increase in the workload of the right ventricular. All the changes that the body functioning of the burnt patient had noticed depend on the proportion of the thermal burn and its size as explained by Judd (2010).

In some cases, biventricular failure in the patient is noticed those are suffering from larger burns. The ultimate result that is obtained in the patient is the deficit in the cardiac that culminates during the situation of the shock. The Lower output of the cardiac and the increase in the arterial pressure is noticed in some burns that are non-survivors.

According to Kotagal (2012) the different hemodynamic features related to the burn shock decreases

•    Decrease in cardiac output from 40-60%

•    Venous return

•    Stroke work

•    Stroke volume

•    Coronary flow of blood

•    High systolic pressure

•    Consumption of myocardial oxygen

•    Myocardial compliance

•    Myocardial ischemia

•    Myocardial activity of the metabolic part of the body also decrease

After the burn, the soft cells and thus there start the process of bleeding which increase the rate of systolic pressure resulting in the increase in the heart pump. The amount of plasma that is losses from the body may be 4 mL comparing to per kilogram of the weight of the body with every passing hour. Thibodeau et al. (2012) opines that the burn that occurs directly links to the loss of the vascular fluid. The other changes that can be observed in the patient are the changes in the sympathetic nervous system and endocrine system.

The different signs that are observed due to inflammations are redness in the burning part that causes due to dilation of the blood vessels in injury area, heat that results due to the increase in the flow of blood that s experienced in the peripheral part. The other signs are like infection causes due to attack of the microorganism, swelling that is known as edema is caused in the particular area. The other inflammation sign is pain that occur due to the burn in the toe.

The circulatory system in the body helps in producing and passing enough fluid to the portion where the burnt has occurred. The place decreases the amount of fluid and there is an increase in the consumption of carbon dioxide in the particular area. The circulatory system produces enough oxygen and passes to the portion of the burnt to take a quick healing process and this process also maintain the rate of heart beat resulting in the decrease in the systolic pressure ad making the patient normal.



Antoshechkin, A., Olalde, J., Magarici, M., Muhammad, A., Salom, A., Suarez, J. and Amendola, F. (2007). Analysis of effects of the herbal preparation circulat on gene expression levels in cultured human fibroblasts. Phytother. Res., 21(8), pp.777-789.

Judd, S. (2010). Blood and circulatory disorders sourcebook. Detroit, Mich.: Omnigraphics.

Kotagal, S. (2012). The Emerging Role of Hypocretin (Orexin-A) in the Developing Central Nervous System. SLEEP.

Thibodeau, G., Patton, K. and Anthony, C. (2012). Structure & function of the body. St. Louis, Mo.: Elsevier/Mosby.


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