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 St. Bernard is one of biggest dog breeds, with adult males measuring approximately 90 centimeters (35 inches) and weighing up to 120 kilograms (264 pounds). They have been known to be very dependable, and especially strong as they are some of the strongest dogs in the world.