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Brain 101 | National Geographic

20 Lượt xem • 06/03/20
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The brain constitutes only about 2 percent of the human body, yet it is responsible for all of the body's functions. Learn about the parts of the human brain, as well as its unique defenses, like the blood brain barrier.
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Brain 101 | National Geographic
https://youtu.be/pRFXSjkpKWA

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