(a) This chapter does not apply to description or illustration of human reproductive organs that may appear in a textbook, adopted pursuant to law, if the textbook does not include other elements of comprehensive sexual health education or HIV prevention education as defined in Section 51931.
(b) This chapter does not apply to instruction, materials, presentations, or programming that discuss gender, gender identity, gender expression, sexual orientation, discrimination, harassment, bullying, intimidation, relationships, or family and do not discuss human reproductive organs and their functions.