10 Fun Facts About Dogs

1. Dogs can understand up to 250 words and gestures.
2. A dog's sense of smell is 10,000 to 100,000 times stronger than a human's.
3. The oldest dog breed is the Saluki, which dates back over 7,000 years.
4. Dogs have three eyelids to protect their eyes.
5. The smallest dog breed is the Chihuahua, which can weigh as little as 1 pound.
6. Dogs can't sweat like humans. They pant to regulate their body temperature.
7. The average lifespan of a dog is 10-13 years.
8. Dogs were domesticated from wolves.
9. A dog's tail wags to communicate their mood.
10. Dogs have a special gland in their tails that produces a scent unique to each dog.