Complex sentence: Gender is considered more complex than the state of one's sex, as gender includes genetic, hormonal, environmental and social factors, and the term "bisexual" is sometimes defined as the romantic or sexual attraction to multiple genders.
Split into simpler sentences: Gender is considered more complex than the state of one's sex, as gender includes genetic, hormonal, environmental and social factors. Furthermore, the term "bisexual" is sometimes defined as the romantic or sexual attraction to multiple genders.