Hand - Definition

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Hand is the end part connected to the forearm by the wrist.
It is primaly used to grasp objects which is said "prehensile".
The human hand bones consist of several sets which form the phalanges metacarpus and carp. The fingers are formed by three phalanges each (with the exception of the thumb which has only two phalanges).
Each of these phalanges are interconnected by joints that allow them to remain mobile.

For humans, more than for animals, the hand is particularly important because it offers a multitude of possibilities for action. It plays an important role, especially in the sense of touch.