All of the potential love interests, then, have physiques that closely resemble the human body or are human themselves. The few exceptions, at first glance, are the characters of Garrus (a Turian) and Thane (a Drell), both of whom can be considered more unusual in their appearances, and Tali'Zorah vas Neema (a Quarian), whose appearance remains a mystery for much of the trilogy, but all three are also bipedal and, as hinted through romance scenes, are capable of engaging in conventional, human sexual intercourse.