The pericardium is a tough, layered sac that wraps around the heart. When the heart beats, it slides easily within the sac. Normally, only 2 to 3 tablespoons of clear-yellow pericardial fluid are present between two layers, which lubricates the heart's movements within the sac.
Biewer. The Biewer (pronounced Bee-vair), also known as the Biewer Terrier, Biewer a la Pom Pon, Biewer Yorkshire Terrier, Biewer Yorkshire, or Biewer Yorkie is a variant of the Yorkshire Terrier.
Bichon Frise / Yorkshire Terrier Hybrid Dogs. Information and Pictures. Emma the Bichon Yorkie, also called a Yo-Chon according to the American Canine Hybrid Club, at 14 months old. Emma is full grown and only weighs 5 pounds. She's just a tiny little thing, as cute as anything.