Human Body System Essay

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Human body consists of several types of body systems that perform in collaboration with one another in sustaining a person’s health and life. Body system is defined as a complete framework that forms by multiple organs which work together in maintaining body function (Chiras, 2013). The main system in our body is categorized into three important systems namely respiratory system, cardiovascular system and urinary system (refer to Figure 1 in Appendix 1). One of the main body systems is the respiratory system. Respiratory system consists of two tracts which are the upper respiratory tract comprising only the conducting portion which transports air to and from lungs and the lower respiratory tract that includes both the conducting portion…show more content…
The signs and symptoms of COPD include shortness of breath, chronic cough, fatigue and having bluish lips and nail beds (American Lung Association, 2014). The second vital human body system is cardiovascular system (CVS). CVS plays an integral role in enhancing and facilitating the proper function of heart in order to allow the body to function as a whole. CVS comprises of two components namely heart and blood vessels. Heart is a four-chambered muscular pumping organ that divides into atriums and ventricles that are separated by valves to prevent backflow of blood among the compartments (Smeltzer, Bare, Hinkle, & Cheever, 2010). However, heart undergoes two types of circulatory loops in the transportation of blood which are systemic and pulmonary circulation (Taylor, n.d.). Systemic circulation pumps oxygenated blood from heart into all tissues in the body and return the deoxygenated blood back into the heart via vena cava (Taylor, n.d.). On the other hand, pulmonary circulation responsible in the transportation of deoxygenated blood into the lungs for gaseous exchange that results in the return of oxygenated blood into the heart via pulmonary vein (Taylor, n.d.). Another major component of CVS is blood
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