This document discusses human sexuality, sexual health, and sexual functioning. It begins by discussing how sexuality is a natural part of human existence. It then defines key terms like sex, sexuality, and sexual health. The document outlines components of sexual health like sexual self-concept, body image, gender identity, and sexual orientation. It also discusses factors that can affect sexuality, developmental stages of sexuality, and characteristics of being sexually healthy. Finally, it covers topics like sexual response cycles, dysfunctions, counseling approaches, and nursing considerations related to sexuality and sexual health.