Different parts of the brain control different functions. Cancer treatments, including chemotherapy, can produce certain effects on these areas of the brain, including impaired cognitive skills, chemo-induced seizures, and memory loss. The cerebral cortex is a sheet of tissue that makes up the outer layer of the brain.
There are three species of wolves: the Red Wolf, the Gray Wolf, and the Ethiopian Wolf. There are a lot more subspecies of wolves, such as: Mexican Wolf.
However, with recent genetic studies, today most biologists believe there are just five subspecies of gray wolf.*. Those of us at WolfQuest stand by this work and recognize there are five subspecies of gray wolf found in North America, and the single species of red wolf.