So what function do our toenails serve ? Well I believe they have a number of roles to play but, in my opinion , chief among these is found in the way the unshod human foot interacts with a substrate to provided grip ,traction and balance . Toes have a pedunculated shape and when they are pressed into the ground the nail ( which is attached via the nail bed and associated ligaments to the periostium of the underlying phalanx) helps to cause lateral rather than vertical displacement of the…
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What are toenails for ? Answer . Grip
