what is the relationship between brain size and body mass?
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Brain-body size relationship Brain size usually increases with body size in animals (is positively correlated), i.e. large animals usually have larger brains than smaller animals. The relationship is not linear, however. Generally, small mammals have relatively larger brains than big ones.
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Men: BMR = 88.362 + (13.397 x weight in kg) + (4.799 x height in cm) - (5.677 x age in years) Women: BMR = 447.593 + (9.247 x weight in kg) + (3.098 x height in cm) - (4.330 x age in years)
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Higher concentrations of drug in the brain are more likely in neonates than in children and adults due to decreased protein binding, a higher relative brain weight, and higher ratio of cerebral to systemic blood flow (24).
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Research has shown the following relationship between carbohydrate in the diet and body weight: ​-people with higher carbohydrate intakes have higher body weights. ​-added sugars provide many of the excess calories that cause weight gain among U.S. adults.
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Body Mass Index is a simple calculation using a person's height and weight. The formula is BMI = kg/m2 where kg is a person's weight in kilograms and m2 is their height in metres squared.
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There's a strong correlation between height and weight. In general, weight increases as the cube of the increase in height. In other words, a 10% increase in height is tied to a 31% increase in weight.
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But those who weigh less are more affected by the same amount of alcohol. A larger body mass index and a higher volume of plasma in the body contribute to the ability of larger people to consume more, many experts said.
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"Your BMI isn't directly correlated to your body fat percentage - it only factors in your height and weight. It will give you the same reading if you're made of 180 pounds of pure muscle, or 180 pounds of pure Cheetos."
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BMR varies based on age, sex, size, and genetics. To calculate BMR, a person uses inches for height, pounds for weight, and years for age in the following formulas: For men: 66 + (6.2 x weight) + (12.7 x height) – (6.76 x age) For women: 655.1 + (4.35 x weight) + (4.7 x height) – (4.7 x age)
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2). Remarkably, the human cerebral cortex, which represents 82% of brain mass, holds only 19% of all neurons in the human brain – a fraction that is similar to the fraction that we observed in several other primates, rodents, and even insectivores (Figure ​ 1).
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Brain size The brain of the domesticated cat is about five centimetres (2.0 in) long, and weighs 25–30 g (0.88–1.06 oz).
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Male and female brain anatomy. Males and females differ in some aspects of their brains, notably the overall difference in size, with men having larger brains on average (between 8% and 13% larger when not corrected for body size), but there are areas of the brain that appear not to be sexually differentiated.
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Body Mass Index is a simple calculation using a person's height and weight. The formula is BMI = kg/m2 where kg is a person's weight in kilograms and m2 is their height in metres squared. A BMI of 25.0 or more is overweight, while the healthy range is 18.5 to 24.9. BMI applies to most adults 18-65 years.
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The human brain is the command center for the human nervous system. It receives signals from the body's sensory organs and outputs information to the muscles. The human brain has the same basic structure as other mammal brains but is larger in relation to body size than any other brains.
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Height and weight are very good predictors of organs size, however, age and sex play an even bigger role. It is not rocket science to know that the older you get the larger you get. ... These factors point to the conclusion that Tall people have larger organs than short people.
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The brain stem connects the brain with the spinal cord. It controls hunger and thirst and some of the most basic body functions, such as body temperature, blood pressure, and breathing. The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges.
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There's a strong correlation between height and weight. In general, weight increases as the cube of the increase in height. In other words, a 10% increase in height is tied to a 31% increase in weight. Many studies have found this relationship.