Human body parts we may no longer need in future

 Our body carries traces of evolutionary past, which were essential but now serve no purpose.

1.  Wisdom teeth 

           Once helped to grind tough plants and raw meat.

2.  Tailbone 

           Once helped in balancing.

3.  Appendix 

           Once helped in digesting fibrous plants.

4.   Ear muscles 

             Once helped in rotating ears towards noises just like cats and dogs  !!!!

5.  Body hair

            Once provided warmth before clothing and shelter.