1. Dogs actually so sweat!

You've probably heard that dogs pant because they don't sweat. Partially true, but actually dogs do have sweat glands in between their paws!

2. Male dogs lift their leg while peeing out of dominance...

Male dogs will raise their legs while urinating to aim higher on a tree, hydrant, or pole because they want to leave the message that they are tall and intimidating.

3. More than just chocolate can hurt your dog...

Even a little bit of the following can cause renal failure in dogs: Grapes, raisins, chocolate, macadamia nuts, cooked onions, or anything with caffeine can also be harmful. Also, apple and pear seeds contain small traces of arsenic which can be deadly for doggies!

4. The shape of a dog's face can suggest lifespan

Dogs that have sharper features typically live longer while dogs with very flat faces, such as bulldogs, often have shorter lives.

5. The Romans coined the phrase: "The dog days of summer"

The term “dog days of summer” was coined by ancient Greeks and Romans to describe the hottest days of summer that coincided with the rising of the Dog Star, Sirius.

6. World's smallest dog was only 4 ounces

The smallest dog on record was a Maltese and weighed only 4 ounces when it was fully grown!

7. Dogs can smell diseases!

Dogs have amazing noses! They can smell all sorts of things including cancer, epilepsy and diabetes! Researchers even believe that canines can pick up on the faint scents given off by the abnormal cells.

8. A dog's fingerprint is their nose

A dog's nose print is as unique as a human's finger print and can be used to accurately identify a dog!

9. Dogs survived the Titanic

Three dogs were among the Titanic survivors. 12 dogs boarded the ship en route to New York.

10. Regarding the chase-the-tail bit...

Dogs and cats turn in circles before lying down because in the wild this instinctive action turns long grass into a bed.