It's all about the dog.
A puppy is born blind, deaf, and toothless.
Puppies are sometimes rejected by their mother if they are born by cesarean and cleaned up before being given back to her.
Apple and pear seeds contain arsenic, which may be deadly to dogs.
The only sweat glands a dog has are between the paw pads.
Dogs have better hearing than humans and cats. They can register sounds of 35,000 vibrations a second (compared to our 20,000 and a cat's 25,000).
The tallest dogs are the Great Dane and the Irish Wolfhound. The smallest dogs are the Chihuahua, the Yorkshire Terrier and the Toy Poodle.
Dogs have a wet nose to collect more of the tiny droplets of smelling chemicals in the air.Man has about 5 million smelling receptors, but that's not much when compared to to some dog breeds: A Dachshund has 125 million, whilst an Alsatian has 220 million.
There are an estimated 400 million dogs in the world.
More than 1 in 3 American families own a dog.
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