History

• There has been controversy over the origin of dogs by biologist, but most concede that dogs are descendants of the Canis Lupus.
  
  

Types

• The American Kennel Club recognizes over 150 different breeds, but there are countless breeds that are yet to be discovered.
  
  

Upper Body

• A snout on a dog is located below the eyes and above the nose. The snout consists of the teeth and tongue.
  
  The shoulders on a dog will are aligned below the dewlap (throat, neck skin) and above the forefeet.
  
  

Lower Body

• A dog's legs are connected to the thighs and hips and lead down to the forefeet and hind feet.
  
  The hock is at the pivotal point of the leg. A dog uses the hock like a lever to move himself around.
  
  

Fun Fact

• A dog's tongue reaches from its posterior attachment to the front of its jaw.