Course 1
Basic Aspects
Sex
Gender
Sexual Orientation
Matters of Degree
Table 1.1
Table 1.2
Table 1.3
Table 1 (Overview)
Sexual Variations
Sexual Variety
Classification
Chromosomes
Hormones
Matters of Degree
性-人類性的基本層面
 Sex - Basic Aspects of Human Sexuality
性的層級差異    Matters of Degree

人類性的全部三個基本層面是：   All three basic aspects of human sexuality, i.e.

1. 性    sex,
2. 性別    gender, and
3. 性取向    sexual orientation

一談起性的層級差異 ，我們不應該對它有誤解或對它有隱澀的說辭。有關這一點請見下述的表格。

refer to differences of  d e g r e e . They should not be misunderstood as either/or propositions. This may be seen in the following tables.
[Course 1] [Basic Aspects] [Sex] [Gender] [Sexual Orientation] [Matters of Degree] [Table 1.1] [Table 1.2] [Table 1.3] [Table 1 (Overview)] [Sexual Variations] [Sexual Variety] [Classification] [Chromosomes] [Hormones]