Here are some,Did you know facts on dogs.
Dogs sweat glands are between their paw pads.
On an average the lifespan of a dog,is between 8 to 15 years.
The Chihuahua is the smallest dog.
Irish wolfhounds are the largest dogs.
Great Danes are the tallest dogs.
The adult dog has 42 teeth.
The oldest dog was an Australian cattle dog,he lived to the grand old age of 29 years and 5 months.
Puppies are born blind,deaf and toothless.
The dog is long sighted and can recognise a moving object as far as 1km away.
The Greyhound is the fastest dog on earth and can reach speeds up to 45 miles per hour.
The dog has twice as many movement muscles in there body as in humans
