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The estimated daily basal metabolic rate for a man who weighs 150 lb is 1636 kcal.
Basal metabolic rate is the rate of energy expenditure per unit time by endothermic animals at rest. Metabolism comprises the processes that the body needs to function. It is the amount of energy per unit time that a person needs to keep the body functioning at rest. Any increase to the metabolic weight, such as exercise, will increase the basal metabolic rate.
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We can not estimate the person basal metabolic rate based on his weight only. We need other information such as age and height or the percentage of the body fat.  

Further explanation

Basal Metabolic Rate (BMR) also known as body metabolism, is the number of calories required to keep our body functioning at rest. In this state, energy will be used only to maintain vital organs, such as the heart, lungs, kidneys, nervous system, intestines, liver, lung, muscles, and skin. To get an accurate measurement, a person should be completely rested.  

There are three versions of BMR measurement, but the one that uses a lot and more accurate than the others is the Mifflin-St Jeor Equation:

For men: BMR = 10Weight + 6.25Height - 5Age + 5

For women: BMR = 10Weight + 6.25Height - 5Age - 161

From the formula above we can conclude that weight, height, and age affected someone BMR.

Factors that affect BMR such as:

  • Muscle mass: anaerobic exercises lead to higher BMR because it builds muscle mass.
  • Weather: Cold weather increasing the BMR because of the energy required to warm the body (homeostatic). On the other hand, hot weather also increasing the BMR because of the energy required to cool off the body.
  • Diet: a small regular diet will increase the BMR, but starvation can reduce BMR .
  • Pregnancy increases BMR

Learn more

An infant's basal metabolic rate https://brainly.com/question/9879341

Basal metabolic rate and fever https://brainly.com/question/5071004

Keywords: basal metabolic rate, body metabolism, factors of BMR

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