Source: https://starwars.fandom.com/wiki/Human/Legends
PHYSICAL & SOCIOCULTURAL CHARACTERISTICS
Average Height: 1.8 Meters
Skin Colour: Pale to Dark Brown
Hair Colour: Blonde, Brown, Black, Red, White and Gray (usually with age)
Eye Colour: Brown, Blue, Hazel, Green, Grey, Amber, Purple
Average Lifespan: 100-120 standard years, sometimes longer. Approximately 200 years for those keenly atuned to the Force.
Homeworld: Unknown, possibly Coruscant.
Language: Galactic Basic, Others
OVERVIEW
Humans, taxonomically referred to as Homo sapiens, were the galaxy’s most numerous and politically dominant sentient species with millions of major and minor colonies galaxywide. Believed to have originated on the galactic capital of Coruscant, they could be found anywhere, engaged in many different pursuits: spacers, mercenaries, smugglers, merchants, soldiers, assassins, farmers, crime lords, laborers, slaves, slavers, and many others, including Jedi and Sith. Since Humans were the most common sentient species, they were often considered to be a standard or average to which the biology, psychology, and culture of other species were compared.
PHYSIOLOGY
Humans were bipedal beings with a bilateral symmetry, having a front and a back end, as well as an upside and downside. Their body comprised a head, neck, torso, and four limbs. The upper limbs, called arms, ended in hands which had five fingers each; the lower ones, called legs, ended in feet with also five digits. The Human fingers had multiple points of articulation, and one of them was an opposable thumb that allowed for fine manipulation. Finally, they had one head perched atop a torso. Other sentient species that had a body type roughly similar to Humans and walked upright were often referred to as humanoids, since Humans were the most common example. Unlike other mammalian species such as Wookiees or Ewoks, they had only a light covering of body hair. Most of it was concentrated on the head and, in the case of adult males, face.
Humans were endotherms, or “warm-blooded” animals, meaning they maintained a constant body temperature independent of the environment using the energy from their food. While some mistakenly described themselves as carnivores, Humans were in fact omnivores, subsisting on both animal tissue and plant-based foods. For that reason, their gastrointestinal system was much longer than that of true carnivores such as the Devaronians. Many Humans were partial to food products that were unhealthy for them because of their high fat or sugar content.
The Human genome was considered to be remarkably elastic. In reaction to environmental changes, selection pressures only needed few millennia to engage new genes and reshape the Human bodies. A consequence of that exceptional adaptability was the existence of many Near-Human species—that is offshoots of the baseline Humans who had followed their own evolution.
As was common to many humanoid species, Humans had two sexes: male and female, with the latter being distinguished by their pronounced breasts, overall smaller stature and lesser quantity of body hair. Members of the Human race could interbreed naturally with many other species, including the Echani, the Ferroan, Hamadryas, the Kiffar, the Miraluka, the Nagai, and the Theelin. Most of the aforementioned species were in fact Near-Humans. In some cases, Humans could only produce offsprings with members of other species with the help of genetic manipulation.
PHYSICAL DIVERSITY
Despite overall physiological uniformity, baseline Humans varied greatly in appearance, and no two Humans looked exactly alike. One of the diversity factors was height. Humans averaged 1.80 meters in height, although males were usually taller and heavier than females. Some individuals affected by giantism could grow up to 2.30 meters. On the contrary, those afflicted with nanism could be as small-sized as 1.3 meters.
Their hair was grown, cut, and styled for aesthetic or ritualistic reasons. The facial hair grown by adult males could be grown, styled, or shaved completely. Their hair color ranged from blond to black, sometimes with hues of red or brown, changing to gray or white as years passed. It could be straight, wavy, or curly. In addition to those varied hair colors, their eyes came in shades of blue, green, gray, or brown. Gradiation of skin tone was also seen among baseline Humans, usually limited to various shades of brown, ranging from dark brown, through lighter shades, to pale skin… Diversity in appearance was seen on many Human populations, and no particular features seemed to have been traceable to specific isolated communities on any locations.
GENERAL LIFESPAN
Typically, Humans had an average lifespan of 100 to 120 standard years. Those who were keenly attuned to the Force, an ubiquitous and binding power that suffused the whole Known Universe, could live up to 200. On worlds that possessed advanced technology, individuals over the age of 160 who were still hale and hearty were not unheard of. Thanks to countless medical treatments and organ transplants accessible to a financial elite, it was possible to extend Human lifetime to the age of 300, and at least one Forceful individual was known to have reached the age of 800. In spite of his age, that individual, was still able to hike all the way up a mountain with a cane. At any rate, individuals past the age of 80 were considered old, and most Humans still died in their early hundreds unless they were wealthy enough to afford rejuvenation procedures. However, many older Humans were still healthy enough to pursue very active careers. attural signs of ageing in Humans included the whitening or fall of the hair, the loss of teeth, appearance of deep lines, wrinkles and dark blemishes on the skin. Old Humans would experience a decline in many cognitive processes, frequently losing track of time, misidentifying people or places, and, in extreme cases, momentarily forgetting about their own identity or state.
SOCIETY AND CULTURE
Humans were noted for being naturally learning and extremely adaptable—not only in terms of physiology, but also mentality and society. Their societies were capable of transforming very quickly in response to a wide array of conditions, which explains why two Human populations could have next to nothing in common culturally speaking. Some Human peoples even had more in common with neighbors of other species than with their own kind.