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.
The species Canis lupus covers a lot of dogs. There are 39 subspecies, one of them being all domestic dog breeds. Thirty-seven of these subspecies are wolves, the largest and most common being the Eurasian gray wolf (Canis lupus lupus), the common ancestor of domestic dog breeds.