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  2. Human penis size - Wikipedia

    en.wikipedia.org/wiki/Human_penis_size

    As of 2015, a systematic review of 15,521 men, who were measured by health professionals rather than themselves, concluded that the average length of an erect human penis is 13.12 cm (5.17 inches) long, while the average circumference of an erect human penis is 11.66 cm (4.59 inches). [ 2]

  3. Human penis - Wikipedia

    en.wikipedia.org/wiki/Human_penis

    Human penis. In human anatomy, the penis ( / ˈpiːnɪs /; pl.: penises or penes; from the Latin pēnis, initially "tail" [ 1]) is an external male sex organ ( intromittent organ) that serves as a passage for excretion of urine and ejaculation of semen. The main parts are the root, body, the epithelium of the penis including the shaft skin, and ...

  4. Erection - Wikipedia

    en.wikipedia.org/wiki/Erection

    The following table shows how common various erection angles are for a standing male. In the table, zero degrees (0°) is pointing straight up against the abdomen, 90° is horizontal and pointing straight forward, and 180° is pointing straight down to the feet. An upward pointing angle is most common and the average erection angle is 74.3 degrees.

  5. File:Comparison of flaccid and erect penis.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Comparison_of_flaccid...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more

  6. Penis - Wikipedia

    en.wikipedia.org/wiki/Penis

    A penis ( / ˈpiːnɪs /; pl.: penises or penes) is a male sex organ that is used to inseminate female or hermaphrodite animals during copulation. [ 1][ 2] Such organs occur in both vertebrates and invertebrates, but not in all male animals. The term penis applies to many intromittent organs, but not to all.

  7. Tanner scale - Wikipedia

    en.wikipedia.org/wiki/Tanner_scale

    The Tanner scale (also known as the Tanner stages or sexual maturity rating ( SMR )) is a scale of physical development as children transition into adolescence and then adulthood. The scale defines physical measurements of development based on external primary and secondary sex characteristics, such as the size of the breasts, genitals ...

  8. Average Height of Spanish Men - Spain Forum - Tripadvisor

    www.tripadvisor.com/ShowTopic-g187427-i42-k...

    The newspaper today says that in 1907, the average height of Spanish men was 163 cm (5’4”). Today the average height is 175 cm (5’9”). This is 1 cm (0.4 inch) taller than the average European man. This is due to better nutrition for children and a higher income for the parents.

  9. History of photography - Wikipedia

    en.wikipedia.org/wiki/History_of_photography

    View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right). The history of photography began with the discovery of two critical principles: The first is camera obscura image projection, the second is the discovery that some substances ...