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.
Mix: 1/2 Airedale Terrier & 1/2 Poodle. Size: approximately 40 â 60 pounds, and 22 â 26 inches tall. Coat: Coat is medium long, and can range from wavy to curly. It can be coarse to soft in texture and be found in a variety of colors.