The Characteristics Of Basal Metabolism

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Basal Metabolism
Basal metabolism is the minimum amount of energy expenditure required per unit of time that is necessary to conduct involuntary bodily functions such as respiration, blood circulation, muscle tone, maintain body temperature, and ultimately maintain life. The human body requires energy to sustain proper body fluids and nutrients that preserve life and health. An individual’s basal metabolism can be determined by finding their basal metabolic rate. According to Respiratory Care Calculations by David W. Chang, the basal metabolic rate is used to calculate daily caloric needs based on a person’s activity level (Chang 314). The basal metabolic rate is the number of calories or kilocalories an individual’s body is able to burn daily,
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According to Energy: In Context, “about 60 to 70 percent of all the calories consumed each day are used for the basal (resting) metabolic rate” (Davies 72). This means that 60-70 percent of an individual’s total exergy expenditure serves as fuel to basal life processes that maintain organ systems and life overall. Thermogenesis is the production of heat in the body. When thermogenesis is applied in addition to the basal metabolic rate the caloric expenditure rises along with the amount of calories burned. According to Energy in Nature and Society: General Energetics of Complex Systems, “A very small fraction of net metabolized energy is lost to thermogenesis due to hormones, drugs or effects of cold or stimulants, leaving the net energy for maintenance, which sustains basal metabolism” (Smil 121). The energy consumed at the basic metabolic rate is responsible for processes essential to maintain life, such as respiration, blood circulation, and maintaining brain, liver and kidney function. According to Mosby 's Guide to Physical Examination, “after eating the metabolic rate increases, depending on the size and composition of the meal… The increase rate peaks after about one hour and disappears after 4 hours” (Seidel 120). These processes command a consumption of oxygen and coenzymes to deliver energy for survival from macronutrients such as fats, carbohydrates, and proteins and eject …show more content…
When consuming more calories than are necessary the excess calories are stored and used for potential energy in chemical bonds of fats in the body causing an increase in weight. In turn, when not enough calories are consumed to account for energy expenditure, chemical energy in the body is removed from storage to account for the deficit. When this happens fat is metabolized to CO2 and H2O, which the body disposes of, which then results in weight loss. According to “Weight Loss and Gain” by Dr. Stuhldreher, performing regular exercise can speed up the basal metabolic rate and in turn assists in weight control (Stuhldreher). Both proper diet and exercise and contribute to an individual’s basal metabolic rate. According to Eric Poehlman of the Sports Medicine Journal, the combination of a substantial amount of aerobic exercise along with an exceptionally low calorie diet ensuing a considerable forfeiture of bodyweight may in fact accelerate the regression in the basal metabolic rate (Poehlman). This highlights the necessity to achieve the proper diet and exercise regimen in order preserve a healthy basal metabolic

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