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.
I have a case of terminal cuteness.. The Yorkshire terrier, often called the Yorkie, was once a hardy little working dog in the north of England. Bred to hunt vermin, today's Yorkie generally haunts restaurants and chic shops with his owner. Along with the change of scenery, some of that hardiness was lost.