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Our ears are incredibly designed for their purpose. See the Creator's handiwork, and discover how your ears do their work, with teaching from Dr. David Menton.
Dr. David Menton uses human anatomical models, microscope imaging, and detailed computer illustrations to describe the importance and incredible design of the human kidney.
The human respiratory system—of which the lungs are the largest component—is the most high-tech air purification and conditioning system on earth.