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.
Chow Chow Puppies For Sale. The Chow Chow breed is proud, independent and loyal to its family. The Chow can make an ideal family pet for most types of accommodations and is a fine watch dog.Two distinguishable features of the Chow Chows are its blue-black tongue and the lack of angulation in the lower joint of the hind limbs.how Chow Puppies For Sale. The Chow Chow breed is proud, independent and loyal to its family. The Chow can make an ideal family pet for most types of accommodations and is a fine watch dog.