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A 2015 systematic review of 15,521 men in which the subjects were measured by health professionals showed 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).
It was not until the 1980s that many universities had departments of evolutionary biology. In the United States, many universities have created departments of molecular and cell biology or ecology and evolutionary biology, in place of the older departments of botany and zoology. Palaeontology is often grouped with earth science.
An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors, and is often associated with sexual arousal, sexual attraction or libido, although erections can also be spontaneous.
Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea. Given that in biology many phyla , families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy .
Bad Biology is a 2008 American black comedy horror film directed by Frank Henenlotter. Produced by rapper R.A. the Rugged Man , it stars Charlee Danielson and Anthony Sneed as sexually unfulfilled people who are drawn together because of their mutated genitalia.
Choiceless awareness is posited in philosophy, psychology, and spirituality to be the state of unpremeditated, complete awareness of the present without preference, effort, or compulsion. The term was popularized in mid-20th century by Indian philosopher Jiddu Krishnamurti ; the concept is a central theme in his philosophy.
Fentanyl is a highly potent synthetic piperidine opioid primarily used as an analgesic.It is 20 to 40 times more potent than heroin and 100 times more potent than morphine; [8] its primary clinical utility is in pain management for cancer patients and those recovering from painful surgeries.
Intersex Awareness Day is an internationally observed civil awareness day designed to highlight the challenges faced by intersex people, occurring annually on 26 October. It marks the first public demonstration by intersex people, which took place in Boston on 26 October 1996, outside a venue where the American Academy of Pediatrics was holding ...