|Brain blood flow is the blood supply by network of blood nerves to the brain. It is also known as cerebral blood flow (CBF). Arteries supplies oxygenated blood, nutrients and glucose to brain whereas veins remove lactic acid, metabolic products and carbon dioxide by carrying deoxygenated blood back to the heart.Online Journals are scholarly and peer reviewed journals. The journals provide forum and motivates scientists, researchers, academics, engineers, and practitioners in all aspects to share their professional and academic knowledge in the fields computing, engineering, humanities, economics, social sciences, management, medical science, and related disciplines. Online Journals also aims to reach a large number of readers worldwide with original and current research work completed on the vital issues of the above important disciplines. The journals permit all readers to read, view, download and print the full-text of all published articles without any subscription or restrictions.