If you that exorcism are not real and they happen only in movie;then, you must watch the following video which shows the real exorcism of a young girl which is being captured on camera. It is a real video and very scary. Just have a look on it.
Human Body is complicated & it is not easy to understand how it functions. Hence, if you are also curious to know some interesting facts related to human brain, body; then read 50 interesting facts about human body.