Gap Fill - Dogs' Noses - Level 6


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   body      changes      cold      common      constantly      mysteries      nearby      often      one      temperature  

Paragraph 1

Researchers believe they have solved of science's greatest . They think they have found out why a dog's nose is . Scientists from universities in Sweden and Hungary have posited that dogs' noses are cold because they act as "ultra-sensitive heat detectors". Canines can sense the of something before they touch it. They added that dogs use their noses to detect tiny in temperature, such as when possible predators or prey are . Humans generally only know something is hot after touching it, with painful consequences. It was belief that the only reason dogs' noses are cold is to control and regulate their own temperature.

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