Human

Species: Human

Alias: N/A

Sexes: Male and Female

Average Lifespan: 45-100 Years

Physiology

Humans have two arms, two legs, and no tail. They have one thumb and four fingers on each hand. They have five toes on each foot.

They have hair on their head that ranges in color, length, and thickness. Some human males do experience baldness later in life. The earliest recorded instance of baldness in a human occurred at twenty years old.

There are a few differences between males and females. Female mammary glands aid in rearing children. They also help arouse a potential mate. The two have different genitalia. The male's is suited for impregnating a female while the female's is suited for birthing children. These are two of the biggest differences.

While human sexes are binary, their gender identities aren't. Some common gender identities are transexual and genderfluid.

Culture

Westeros has two major religions: the Old Gods and the Seven (aka the New).
Essos is much more varied from the city of Meereen to the nomadic Dothraki.

Society 

Westeros is based on a feudal system.

Essos' society varies from city to city.