Dogs don't sweat like humans; they cool down by panting.
Dogs rely more on their sense of smell than taste when deciding what to eat.
A dog's tongue is usually warm, reflecting their body temperature.
Some dog breeds have blue or blue-black tongues, which can indicate health issues if the color changes.
Licking has a calming effect on dogs, releasing endorphins.
A dog's mouth is not cleaner than a human's, but most bacteria are specific to each species.
While dog saliva has some beneficial properties, it's not a miracle healer for wounds.
Some people are allergic to a dog's saliva, not just their dander.
Unlike cats, dogs have smooth tongues, as they have different grooming needs.
Certain breeds may have tongues too long for their mouths, causing messy eating.
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