Put words into missing gaps and translate the sentences. . Facts about the human brain female, weighs, volume, brain, connections, weight, contains, percent, cells
• The human is the largest brain of all vertebrates relative to body size.
• It about 3.3 lbs. (1.5 kilograms).
• The average male has a brain - of 1,274 cubic centimeters.
• The average brain has a volume of 1,131 cm3.
• The brain makes up about 2 of a human's body weight.
• The cerebrum makes up 85 percent of the brain's .
• It contains about 86 billion nerve (neurons) — the "gray matter."
• It billions of nerve fibers (axons and dendrites) — the "white matter."
• These neurons are connected by trillions of, or synapses.
1. brain 2. weighs 3 volume 4. female 5. percent 6. weight 7. cells 8. contains 9. connections
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