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.
A strong work ethic dog, the Bergamasco is a big fluffy breed with distinguishing characteristics of its coat. The hairs seem to be âdog hairs, âgoat hairs, while wool can also be noticed. These hairs combine to form black or gray mats which grow throughout Read More. Image.
The Chow Chow is a large, stocky dog. The two most distinctive features of the Chow Chow are its blue-black tongue and its almost straight hind legs, which makes it walk rather stilted. The head is large and broad with a flat skull. The muzzle is broad and deep.