Quick Answer: What can affect the basal metabolic rate?

What controls basal metabolic rate?

The basal metabolic rate of the body is controlled by the hormones T3 and T4, produced by the thyroid gland in response to the thyroid stimulating hormone (TSH), produced by the anterior pituitary.

What affects basal metabolic rate quizlet?

Gender and weight can affect basal metabolic rates. Basal metabolic rate is dependent upon age and genetics. A person’s nutritional status can affect their basal metabolism.

What factors affect your BMR and how do they affect it quizlet?

Terms in this set (13)

  • AGE. lean body mass diminishes with age, slowing the BMR.
  • HEIGHT. in tall, thin people, the BMR is higher.
  • GROWTH. in children, teens and pregnant women the BMR is higher.
  • BODY COMPOSITION (gender) more lean tissue means higher BMR. …
  • FEVER. …
  • Stresses. …
  • Environmental temperature. …
  • Fasting/starvation.

Which organ contributes most to basal metabolic rate?

Metabolism comprises the processes that the body needs to function. Basal metabolic rate is the amount of energy per unit of time that a person needs to keep the body functioning at rest.


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Energy expenditure breakdown
Liver 27%
Brain 19%
Skeletal Muscle 18%
Kidneys 10%

What is considered a good BMR rate?

What is my average BMR? Most men have a BMR of about 1,600 to 1,800 kCals a day. Most women have a BMR of 1,550 kCals a day.

How can you increase your basal metabolic rate?

What can I do to speed up my metabolism?

  1. Aerobic activity. Aerobic exercise is the most effective way to burn calories. …
  2. Strength training. Muscle burns more calories than fat, so increasing your muscle mass will help you lose weight. …
  3. Be active. Try to make activity part of your daily routine.

What lowers the basal metabolic rate quizlet?

An over-secretion of thyroid hormones (hyperthyroidism) speeds up BMR; under-secretion of thyroid hormones (hypothyroidism) lowers BMR.

What hormone will increase the basal metabolic rate quizlet?

Thyroid hormone increases basal metabolic rate by promoting insulin release.

How does age affect BMR?

The basal metabolic rate decreases almost linearly with age. … It is shown that the decrease in muscle mass relative to total body may be wholly responsible for the age-related decreases in basal metabolic rate. Energy consumption by physical activity also decreases with atrophic changes of skeletal muscle.

Does epinephrine increase basal metabolic rate?

Background: Epinephrine increases the metabolic rate and contributes to the hypermetabolic state in severe illness.

What are the components of your energy requirements?

The three main components are resting metabolic rate, physical activity and the thermic effect of food.

Is a higher or lower BMR better?

“A higher BMR means you need to burn more calories to sustain yourself throughout the day. A lower BMR means your metabolism is slower. Ultimately, leading a healthy lifestyle, exercising, and eating well is what’s important,” said Trentacosta.

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How can I lower my metabolic rate?

Eat healthy foods: lots of fiber and lots of fruits and vegetables. Stay away from saturated fats and simple carbohydrates such as processed or refined sugars. Eat lean proteins. Space out your calories throughout the day with smaller meals and healthy snacks so your body will consume more energy.

Which group has the highest metabolic rate?

Hummingbirds, with their tiny bodies and high levels of activity, have the highest metabolic rates of any animals — roughly a dozen times that of a pigeon and a hundred times that of an elephant. To maintain those rates, hummers have to consume about their weight in nectar daily.

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