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 National Dog of Cuba and the countryâs only native breed: The Havanese is a small, sturdy dog with a friendly disposition. His wavy, silky coat is profuse, but remains extremely light, insulating and protecting the breed against harsh tropical heat. His coat, which comes in all colors, should remain untrimmed.