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.
Grey wolves, sometimes spelled 'gray wolves', are a kind of wolf that used to wander all over North America and is still found in parts of the U.S., Europe and Asia. Scientists think there were about two million of them at one time in North America alone.