If you need a boy dog name for your Shepherd, check the male German Shepherd names list. Otherwise, take a look at the list of names and meanings below. One more thing . . . my neighbor raises German Shepherds and my favorite of her female German Shepherd names (so far) is Deja. That just seems like a cool dog name.
The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system.
Normal Heart. These pictures show the heart from the front. The right side of the heart is on the left side of the heart pictures. The left side of the heart is on the right side of the pictures. Your heart has four separate chambers that pump blood. The chambers are called the right atrium, right ventricle, left atrium, and left ventricle. The right and left sides of the heart are separated by a muscular wall that prevents blood without oxygen from mixing with blood that has oxygen.