22 Evolutionary Advantages Of Seemingly WTF Bodily Functions

Our bodies are awesome mechanisms when you take a good look at them. It takes a lot to keep them going, and all the moving parts that allow us to fart without dying is really a beautiful thing.

Of course, at the same time, they're also super weird and we have all sorts of questions about why they do the things they do. Thankfully, most of those questions have answers, and AuntieMeme has them for you.

22
Entry by AM Smiley

Wondering why people have allergies? They're a leftover defense against a deadly disease. A recent study discovered the likely cause of our overactive

21
Entry by AM Smiley

Think your pubic hair is for modesty? It isn't. It's to attract mates. Over time, humans went from hairy to hairless, with a couple of exceptions. The

20
Entry by AM Smiley

Why do fingers prune up in the tub? It's to improve your grip on wet surfaces. Scientists have confirmed in the lab that wrinkly fingers improve our g

19
Entry by AM Smiley

What is the point of being ticklish? It teaches you to protect your most vulnerable spots. The most ticklish parts of our bodies (our ribs and neck) a

18
Entry by AM Smiley

Fingernails on a chalkboard make you crazy? Your brain might think you're in danger. Scientists: noted that the frequency of annoying high-pitched sou

17
Entry by AM Smiley

Got a friend who's a picky eater? X4 TOXIC They've probably got a gene that saved our species. It's likely your friend is a supertaster, and has a hig

16
Entry by AM Smiley

Wondering why our wisdom teeth don't fit? It's because we're not eating as many plants. Earlier versions of humans had larger jaws, which were more su

15
Entry by AM Smiley

OCD can be debilitating. Despite the fact that it's become a cultural punchline, it's a very real, often crippling disorder. And it also might have sa

14
Entry by AM Smiley

Morning sickness is miserable. But for early humans it was a lifesaver. The foods that are most likely to trigger vomiting (reD meat, eggs, poultry, a

13
Entry by AM Smiley

Human babies are helpless. Especially compared to other animals. 2 3ces (3/Bt) 3V3t + 1Sin 3 And it's all because of our giant brains. Because of our

12
Entry by AM Smiley

Why do humans laugh? And why do they laugh when nothing's funny? It's ancient code for everything's COOl.' Scientists speculate that laughter evolve

11
Entry by AM Smiley

See that Iittle pink blob in the corner of your eye? It's what's left of your third eyelid. That little blob is called a nictating membrane, and it's

10
Entry by AM Smiley

Wondering why we have seasonal affective disorder? Scientists think it led to healthier babies. Some researchers think seasonal bipolarity helped preh

9
Entry by AM Smiley

Why are humans the only hairless primates? Scientists think it's because of parasites. A furry coat is the perfect breeding ground for disease-carryin

8
Entry by AM Smiley

Choking on food is mostly a human phenomenon. And we choke because we can talk. Human vocal cords evolved down low in the throat, giving humans a broa

7
Entry by AM Smiley

Ever wonder why we get goosebumps ? They're a leftover from when we were furrier. Goosebumps are caused by the tiny muscles at the base of our hair fo

6
Entry by AM Smiley

Can you wiggle your ears? You might be less evolved than the rest of us. Ear wiggling is what's left of the animal ability to turn the ear in the dire

5
Entry by AM Smiley

Blushing is a very human behavior. And it's helped our species to survive. Blushing is a nonverbal signal of appeasement, and admission of wrongdoing.

4
Entry by AM Smiley

Wondering how autism survived evolution? Easy. Autists were badass hunter-gatherers. While most of our ancestors were busy hunting and foraging in gro

3
Entry by AM Smiley

The testicles are incredibly vulnerable And evolution made them easy to kick. Because sperm survives best outside the body, and because men evolved to

2
Entry by AM Smiley

If we don't need an appendix, why is it there? Because early man ate more roughage. The widely-held explanation is that the appendix is an extension o

1
Entry by AM Smiley

ADHD is a genetic condition. It also helped nomadic people to survive. In ancient times, nomads needed to be good at a large number of things, in orde

To turn on reply notifications, click here

400 Comments

Load Comments