Left-handedness

If someone is moving clumsily, we often say he or she has two left feet. But what does our left side have to do with being clumsy?

02:32

Biology

Keywords

biology, human, flora and fauna, animal, motion, cerebrum, nervous system, motor cortex, hand, cerebral hemisphere, evolution, left-handedness, hand use, dominant, demography, genetics, body parts, human body, human arm

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