5 parts of the human body become redundant and useless due to evolution

Previously, human body parts such as coccyx, appendix, wisdom teeth . all had their own functions, playing an important role for our ancestors but after going through evolution they became excessive, useless, even annoying.

1. The answer to three obvious things: human body temperature is stable at 37 degrees C, when sneezing and closing eyes and appendix
2. The human body and huge numbers startle you
3. 15 extremely interesting facts about the human body you may not know