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BuzzFeed Staff

BuzzFeed

How Much Random Penis Knowledge Do You Have?

According to a [2014 study](https://www.ncbi.nlm.nih.gov/pubmed?term=10.1111%2Fjsm.12244) of 1,661 men, the average erect penis length was 14.15 cm, or 5.1 in.

People with penises have four to five erections a night during REM sleep and they each last [as long as a](https://pdfs.semanticscholar.org/7475/5e0ee75212af28eb978b1117a0a1fbae4c1c.pdf) half-hour sitcom!

According to [this chart](https://sexinfo.soc.ucsb.edu/article/penis-0) by UC Santa Barbara, "The frenulum is the small strip of skin that runs from the glans to the shaft" and "is considered to be one of the most sensitive places on the penis."

Yes, [it's that](http://www.its.caltech.edu/~johnmm/sexualphysics/ejaculate.htm) fast!

Because the [procedure](https://www.healthychildren.org/English/ages-stages/prenatal/decisions-to-make/Pages/Where-We-Stand-Circumcision.aspx) is not essential to a child's current well-being and "existing scientific evidence is not sufficient to recommend routine circumcision," they can not endorse or discourage the procedure.

The word was [first recorded](https://www.dictionary.com/browse/penis) in 1685–95 and comes from the Latin word "pēnis."

Experimenters at Chicago’s Smell and Taste Treatment Research Foundation found that the combined odor of lavender and pumpkin pie produced [a 40% increase in penile blood flow.](https://aanos.org/human-male-sexual-response-to-olfactory-stimuli/)

The skin from a postage stamp-sized [foreskin](https://www.technologyreview.com/s/400082/brave-new-skin/) can later be used for skin grafts.

Deaths that are the result of [spinal cord injuries](https://books.google.com/books?dq=priapism+hanging+date%3A1950-2007&hl=en&id=WCqMzcAka54C&lpg=PA167&pg=PA167#v=onepage&q=priapism%20hanging%20date:1950-2007&f=false) are more likely to result in a post-mortem erection.

Researchers [looked at many possible](https://onlinelibrary.wiley.com/doi/epdf/10.1111/bju.13010) correlations and found that the strongest and most consistent correlation was between height and erect length or flaccid, stretched length. Though this was the strongest, there is no guarantee that this is always the case.

You came here to learn, and that's exactly what you did! Hope you can take these newfound penis facts to your next dinner party.

Penis Pupil

You know a whole lot more about penises than most people, and frankly, that's a skill worth having!

Boner Savant

You either own a penis or have just been doing your research. Regardless, list this title next to "Microsoft Word" under the "skills" section of your resumé.

Penile Professional

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How Much Random Penis Knowledge Do You Have?

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