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15 Parts of the Human Body That Will Disappear in the Future

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1. BODY HAIR

Our brows help keep sweat from our eyes, but male facial hair plays an equally important role in [email protected] attracting the opposite [email protected] Apparently, most hair left on the human body serves no function.

15 Parts of the Human Body That Will Disappear in the Future

2. PARANASAL SINUSES

No one knows why we retain these troublesome mucus-lined cavities, except perhaps to make the head lighter.

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15 Parts of the Human Body That Will Disappear in the Future

3. EXTRINSIC EAR MUSCLES

Some animals, such as rabbits and dogs, can move their ears independently thanks to these exotic-sounding muscles. We still have them, which is why some people can wiggle their ears, but these muscles serve no purpose.

15 Parts of the Human Body That Will Disappear in the Future

4. WISDOM TEETH

Early humans had to chew plants in order to get enough calories to survive, but these days only about 5% of the population has a set of these healthy yet useless teeth. We hope this one will be the first to disappear from the list — less dental bills!

15 Parts of the Human Body That Will Disappear in the Future

5. NECK RIB

A set of cervical ribs, possibly a leftover from the age of reptiles, still appears in less than 1% of the population. Some people have it only on their left or right side, while some have both. They often cause nerve and artery problems.

15 Parts of the Human Body That Will Disappear in the Future

6. PALMARIS MUSCLE

This long narrow muscle runs from the elbow to the wrist and is missing in 11% of humans today. Once important for hanging and climbing, you probably would prefer to keep it if you were a martial artist or rock climber.

15 Parts of the Human Body That Will Disappear in the Future

7. MALE NIPPLES

Both men and women have nipples because, in the early stages of fetal development, an unborn child is effectively [email protected] (without gender). Thus, nipples are present in both males and females. Men generally lack the necessary levels of prolactin to stimulate lactation and cannot produce milk.

15 Parts of the Human Body That Will Disappear in the Future

8. ARRECTOR PILI MUSCLES

These small muscles allow animals to puff up their fur for insulation or to intimidate others. Humans retained this ability (goose bumps are the indicator) but have obviously lost most of the fur.

15 Parts of the Human Body That Will Disappear in the Future

9. APPENDIX

This narrow muscular tube attached to the large intestine served as a special area to digest cellulose when the human diet consisted more of plant matter than animal protein.

15 Parts of the Human Body That Will Disappear in the Future

10. THIRTEENTH RIB

Our closest cousins, chimpanzees and gorillas, have an extra set of ribs. Most of us have 12, but 8% of adults have an extra one.

15 Parts of the Human Body That Will Disappear in the Future

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