|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. Scholarly peer review is the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal. The work may be accepted, considered acceptable with revisions, or rejected. Peer review requires a community of experts in a given (narrowly defined) field, who are qualified and able to perform reasonably impartial review.