1. Dogs have twice as many muscles in their ears as humans.

2. The Bible mentions dogs more than 35 times.

3. The Chihuahua is named after a region in Mexico.

4. The Girl Scouts and Boy Scouts offer badges in dog care.

5. Petting a dog can lower your blood pressure and heart rate.

6. A dog’s sense of smell is 10,000 times stronger than that of a human.