• Dogs Sweat Through Their Paws – Unlike humans, dogs release sweat through their paw pads.
• Dogs Have a Special Third Eyelid – Called the nictitating membrane, it helps protect and clean their eyes.
• Dogs Can Detect Low Blood Sugar Levels – Some diabetic alert dogs warn owners of dangerous glucose drops.
• They Can See Some Colors – Dogs aren’t completely colorblind; they see shades of blue and yellow.
• Dogs Can Smell Human Fingerprints – Even weeks after they were left on a surface!
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