The outer ear or external ear is the visible portion of the ear which serves as a protective organ for the eardrum. It gathers and controls sound waves into the middle ear. Ear Flap (Pinna) – The ...
Morning Overview on MSN
The human body part evolution still struggles to explain
Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...
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