Answers

Below: Pinky Toe (Getting smaller with every generation, unnecessary even for balance) /
              Plantaris Muscle (Muscle behind heel, once used in gripping, now degenerated to uselessness)

Above: Third Molar (Certain populations already being born without them, once important for use in the                          enormous amount of greens we had to chew)/
               Darwin's Point ( Nodule in upper ear once used in sound focusing, 9 percent of humans have them)