Heterosexuality

[Zipporah Schumaker]

Heterosexuality is the quality or characteristic of being romantically, and sexually attracted to the opposite sex or gender. Heterosexual men are attracted to women, and heterosexual women are attracted to men. Heterosexuality is the most common sexual orientation in the world among humans, and animals(female animals and male animals being attracted to each other). People who are Heterosexual are referred to as straight.
Heterosexuality is the basis of [civilization] due to the fact that it leads to [procreation], and [reproduction].

[Ernesto]

The quality or characteristic of being sexually attracted solely to people of the opposite sex.

Statistically, the [vast majority] of human beings at any one point in history are heterosexual.

Only Heterosexual [sex can] lead to the creation of [new human] beings.

[Renato]

the state of being heterosexual (= sexually attracted to people of the opposite sex) :