the human brain as an organ of the central nervous system

human body anatomy brain medecine nervous system think air oxygen gray matter liquid convolutions blood capillaries head face surfactant health life man treatment atrium biology prevention doctor healing rehabilitation saturation neurons healthy lifestyle bad habits supply structure function xray diagnostics neurosurgery magnetic resonance imaging hospitalization vessel reanimation nature vector illustration breast cells therapy cranium control ability cell regulation hospital therapeutics immunity organ central scull braincase grey isolated nerve