[Solved] The first part of the nervous system to form is the ________. A) cerebrum B) neural tube C) spinal cord D) brain stem E) None of the answers are correct. Homosexual: A term referring to a sexual orientation where individuals are attracted to others of the same sex. Sexuality: Encompasses sex, gender identities and roles, sexual orientation, eroticism, pleasure, intimacy, and reproduction, forming a broad spectrum of human identity and expression. Critical Thinking: The capability to diligently and adeptly formulate, utilize, examine, integrate, and assess data to arrive at a solution or judgment. Sexuality Assessment: A process to evaluate an individual's sexual history, behaviors, and function, typically conducted by healthcare providers.