Why r our hands not straight??Explain in brief???
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Why r our hands not straight??Explain in brief???
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Our hands are there for movement and locomotion. In our daily life they are used in various ways, which necessitate that they can be twisted, rotated in different angle and directions. If our hands are straight without any joints, such kind of movement will not be possible. Hence we have got a complex hinge joint in our elbows.