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Brain Facts for Kids: Amazing Facts About the Human Brain
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WebSep 21, 2024 · The typical brain comprises about 2% of the body’s total weight, but uses 20% of its total energy and oxygen intake. 2. Your brain is 73% water. It takes only 2% dehydration to affect your attention, memory, and other cognitive skills. 3. Ninety minutes of sweating can temporarily shrink the brain as much as one year of aging. 4. WebThe human brain is composed of neurons, blood vessels and some supporting cells called glia. The brain has got its greyish colour from the neurons and pink colour from the blood vessels. Appearance of Human Brain An average adult human brain weighs about 1400 g and contains billions of neurons and trillions of glial cells. WebThe brain of an adult human weighs around 3 pounds (1.5 kg). Although it makes up just 2% of the body's weight, it uses around 20% of its energy. The brain is suspended in Cerebrospinal fluid, effectively floating in liquid that acts as both a cushion to physical impact and a barrier to infections. cogsworth svg