Determined by one’s emotional, physical and/or romantic attractions. categories include, but are not limited to; gay, lesbian, attracted to some members of the same gender; bisexual, attracted to some members of more than one gender; and heterosexual, attracted to some members of another gender. sexuality sexual identity sexualizing sexual orientation

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?