For the typical person, which of the following makes up the greatest proportion of total energy expenditure?a.basal metabolic rate (BMR)b.dietary thermogenesisc.non-exercise activity thermogenesis (NEATd.exercise activity thermogenesis (EAT)Clear my choice
Question
For the typical person, which of the following makes up the greatest proportion of total energy expenditure?a.basal metabolic rate (BMR)b.dietary thermogenesisc.non-exercise activity thermogenesis (NEATd.exercise activity thermogenesis (EAT)Clear my choice
Solution
The answer is a. Basal Metabolic Rate (BMR).
Here's why:
a. Basal Metabolic Rate (BMR) - This is the amount of energy expended while at rest. It represents the minimum amount of energy needed to keep your body functioning, including breathing and keeping your heart beating. BMR accounts for about 60-75% of total daily energy expenditure.
b. Dietary Thermogenesis - This is the energy required for digestion, absorption, and disposal of ingested nutrients. It accounts for about 10% of total energy expenditure.
c. Non-Exercise Activity Thermogenesis (NEAT) - This is the energy expended for everything we do that is not sleeping, eating or sports-like exercise. It ranges from the energy expended walking to work, typing, performing yard work, undertaking agricultural tasks and fidgeting. It can vary substantially between individuals by up to 2000 kcal per day.
d. Exercise Activity Thermogenesis (EAT) - This is the energy expenditure associated with structured physical activities, such as going to the gym, running, or any other physical activity that is not part of one's daily activities
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