Here are some interesting facts about you dog to keep you guessing.

Dogs sweat from the bottoms of their feet, the only way they can discharge heat is by panting.
Dogs have about 100 different facial expressions, most of them made with the ears.
Dogs have about 10 vocal sounds.
Dogs do not have an appendix.
There are more than 350 different breeds of dogs worldwide.
Dogs are not color blind; they can see shades of blue, yellow, green and gray.
Most domestic dogs are capable of reaching speeds up to about nineteen miles per hour when running at full speed.
Domesticated for more than 10,000 years, the dog was one of the first animals domesticated by humans.