Mondo Knows Facts
The brain consumes twenty percent of the body energy
Despite comprising two percent of body weight the brain uses massive metabolic fuel
Although the brain accounts for only about two percent of total body weight, it consumes roughly 20 percent of the oxygen and glucose in the bloodstream. This constant supply of metabolic energy powers electrical impulses and maintains ion gradients across neural membranes.
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Tags: brain, energy, metabolism
The brain consumes twenty percent of the body energy: the short answers
- Where does this come from, and can I check it?
- Despite comprising two percent of body weight the brain uses massive metabolic fuel. The figure is taken from NIH, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a human body fact?
- Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.