The average brain weighs about 3 pounds, and has approximately 100 billion neurons. There are about 100,000 billion miles of blood vessels in the brain. The brain uses about 20 percent of the total oxygen at rest. While awake your brain generates 10 to 23 watts of power- or enough energy to power a light bulb. The brain is 75 percent water.
The brain is one of the body's most powerful organs. It helps people talk, move, feel, see, hear and even smell. The brain controls almost everything the body does, including things that people don’t even have to think about, like growing and breathing.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.