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.
What Type Of Dog Is It? The teacup Maltipoo is a deliberate mix of two small purebred dogs. Its parents are a purebred Maltese and a purebred toy or miniature Poodle. This hybrid dog has the word âteacupâ attached to its name because it usually weighs under ten pounds as a fully grown adult.