Dogs have no appendix

Adult dogs have 42 teeth, cats have 30

Dogs only have sweat glands between the pads of their paws

Cats and people have identical regions in the brain that is responsible for emotion

Dogs have about 100 facial expressions, most they make with their ears

Cats can fit through any opening the size of their head

Unlike dogs a cat's jaw can only move up and down

A dog uses its whiskers to sense changes in airflow

A dogs sense of smell is one of the keenest in the world, while cats have amazing hearing

Most popular dog names: Max, Molly, Sam and Maggie

When a cat rolls and presents its belly to you it means it trusts you

About 30% of pet owners admit to talking to their pet over the phone

When a cat 'head butts' you it is a sign of affection