1 Certain parts of the brain shrink, especially the prefrontal cortex (an area at the front of the frontal lobe) and the hippocampus. 2  Both areas are important to learning, memory, planning, and other complex mental activities.
Some big, fluffy dog breeds are the chow chow, the samoyed, the standard poodle, the old English sheepdog and the keeshond. The abundant, fluffy coats of these dogs require constant care. Keep Learning.
The Pomeranian is a compact, short-backed, active toy dog of Nordic descent. The double coat consists of a short dense undercoat with a profuse harsh-textured longer outer coat.The heavily plumed tail is one of the characteristics of the breed. It is set high and lies flat on the back.he double coat consists of a short dense undercoat with a profuse harsh-textured longer outer coat. The heavily plumed tail is one of the characteristics of the breed. It is set high and lies flat on the back.