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.
Although imposing, the biggest dog breeds also tend to be mildly tempered and make excellent family pets. This list details some of the biggest of the big dogs, but âbigâ is relative; some breeds are stout and heavy while others are tall and lean. 10. Kuvasz.