Anatomy

Most dogs do not have retractable claws. Retractable claws are only found in a few breeds originating from cold climates. Unlike cats, dogs rely on their claws for balance and…

Puppies typically lose about 28 deciduous (baby) teeth, which are replaced by permanent teeth. This process usually happens between 4 and 6 months of age. Teething can be uncomfortable for…

Dogs have only one stomach, unlike some other animals like cows which have multiple stomach chambers. Their digestive system is designed for processing both meat and plant material. Proper diet…

Puppies have sharp teeth to signal to the mother when it’s time to stop nursing the pups. Puppy teeth take about three weeks to break through the gums, then another…

Dogs have armpits, but the technical term is axillary lymph nodes. Dog armpits function in the same way as humans. They have sweat glands that can help cool the body…

Although there are several reasons for a dog’s nail to turn black (including trauma, aging, autoimmune disease, and genetics), the most common reason is a fungal or bacterial infection. With…

Although dogs do not shed their nails, they can lose them. The main reason dogs lose a nail is because of physical trauma to the paw. If your dog lost…

It is normal for dogs to shed whiskers, just like any other hair on their body. If you find one every once in a while, don’t panic. It doesn’t harm…

No one knows with certainty why dog lips are serrated, but experts have made a few educated guesses over the years. Some of the common theories include: to protect the…