Biology-Brain Yack
SKU:
BSp_Win_2017_biology_brainyack
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The brain is the big boss of the body. If you don’t believe it, go ahead and move your left thumb. Even though your thumb did the work of moving, your brain neurons fired the *message* through your Central Nervous System (CNS) to tell your thumb to move. Your CNS is Command Central for a network of information highways throughout your body. A bit like the Internet.
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