Changes

[[Image:Tst456yh.svg|right|thumb|Palm of left hand, showing position of skin creases and bones, and surface markings for the volar arches.]]

[[Image:Tst456yh.svg|right|thumb|Palm of left hand, showing position of skin creases and bones, and surface markings for the volar arches.]]

The hand is an extremity possessed by most bipedal mammals. The hand typically contains extensions called fingers and a set of muscle groups that allow for complicated movements. The primary purpose of the hand is to allow an organism to physicals manipulate objects in it's environment. Humans and other primates use the hand as a means for using tools.

The hand is an extremity possessed by most bipedal mammals. The hand typically contains extensions called fingers and a set of muscle groups that allow for complicated movements. The primary purpose of the hand is to allow an organism to physicaly manipulate objects in it's environment. Humans and other primates use the hand as a means for using tools.

   

   

== Anatomy ==

== Anatomy ==