The brain is the most complicated organ in the human body. It is the control center of the body containing billions of nerve cells that coordinate our voluntary and involuntary movements, our thoughts and emotions, and our senses. Learn about the complexities of the human brain in this slide show.
This slide show from the Mayo Clinic will guide you through the process of planning for radiation therapy. Before you begin external beam radiation treatment, your radiation therapy team carefully plans every aspect of your treatment in a process called radiation simulation. Radiation therapy treatment planning usually involves positioning your body, making marks on your skin and taking imaging scans.