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.
Large to Medium Dog Breeds. Large to Medium dog breeds weigh around 35 to 65 pounds, approximately. These breeds are home loving dogs and love being around families. Some of these dog breeds are usually related to guardian activities and are quite ideal to protect your house and family from any intruders or burglars.