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.
Dogs in the wizarding world. Fluffy the three-headed dog. In the wizarding world, dogs are kept as pets or may sometimes serve as guardians of certain objects. For example, during the 1991â1992 school year at Hogwarts, the three-headed dog Fluffy guarded the Philosopher's Stone.