10 Fun Facts About Dogs

1. Dogs can understand up to 250 words and gestures.
2. A dog's sense of smell is up to 100,000 times stronger than a human's.
3. The world's smallest dog breed is the Chihuahua.
4. The world's largest dog breed is the English Mastiff.
5. Dogs have three eyelids to protect their eyes.
6. Dogs can't sweat like humans, they pant to cool down.
7. Dogs yawn when they are stressed or bored.
8. Dogs can't taste sweetness.
9. Dogs can be trained to detect cancer, seizures, and other medical conditions.
10. The first dog to go to space was a Soviet dog named Laika in 1957.