Why Do Dogs Always Stick Their Tongues Out When Panting?

In summer, dogs are always seen sitting and panting with their tongues out. This phenomenon has the same purpose as a human being's perspiration.

Within the human body there are But dogs don't have sweat glands many sweat glands that find their within their way out. But instead, their way out on the skin. When the day sweat glands are on their tongues and is hot, sweat is excreted through these sweat glands. As the sweat evaporates, body heat is taken away. So, we feel somewhat cooler.

But dogs don’t have sweat glands within their bodies.But instead, their sweat glands are on their tongues and toes. So ,in hot summer weather, dogs stick their tongues out and breathe heavily in order to expel their body heat. Thus, they can feel cooler and much more comfortable.