Dogs are often referred to as man’s best friend, and their endearing nature is one of the many reasons we adore them. A common sight that brings a smile to our faces is when we see dogs with their tongues hanging out. This playful and sometimes goofy expression is more than just a cute visual; it’s a behavior rooted in their biology and social habits. Dogs, known for their loyalty and companionship, communicate their emotions and needs in various ways, and their tongue is an essential part of this process. When a dog’s tongue hangs out, it often signifies a range of feelings and states, from excitement and joy to…