Examlex
The basal metabolic rate (BMR) is the minimum energy intake required to maintain a body that is awake and at rest. While the rate varies with age, gender, health, and body mass, a reasonable value is 1600 Cal per day. Walking can require 2.5 times the BMR, and exertion in work or sports can require 7 times the BMR. Using this information, calculate the energy expended by someone walking at a speed of 3.0 mph and determine how far she could walk with the energy from a quarter-pound hamburger (125 g) that has a food value of 3.6 Cal/g.
Bipedalism
The ability of an organism to walk on two legs.
Quadrupeds
Animals that use all four limbs for locomotion, typical of many mammals, including those that humans evolved from.
Using Tools
describes the ability or practice of employing physical items to perform tasks more efficiently, a trait observed in humans and some other species.
Running Faster
The act of increasing speed during locomotion on foot, often aimed at achieving greater velocity for competitive or fitness purposes.
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