Three questions to the human brain

摘要: An approximately 20% increase in cerebral blood flow (CBF) and the metabolic rate for oxygen manifest during whole body exercise with determination of brain tissue arterial inflow to brain. Yet, intense CBF approaches resting level response decrease carbon dioxide tension exponential ventilation. Here it is illustrated that appears depend ability raise cardiac output speculated whether there a sympathetic restrain on when small. Furthermore, considered affects oxygenation an extent provokes so-called central fatigue. Finally highlighted activation associated uptake carbohydrate, notably lactate, cannot be accounted by concomitant pointed out remains unknown why apparently surplus carbohydrate need.