HomeBiological aspects of sexuality
Biological aspects of sexuality
Sexuality is about reproduction, sex and gender; responsiveness, orientation and personality; and the sexual anatomy & development of both sexes.
Justifying evolutionary and biological precedents
Human sexuality does not stand alone. It is part of a wider picture of the sexuality of all other lifeforms. Even plants have male...
Asking young women to define female sexuality
Young women are naturally impressed by men’s greater confidence. They are full of romantic illusions and curiosity. They have the inexperience and the optimism...
Lesbianism focuses on longer-term relationships
Only 2% of women are exclusively gay (half as common as male homosexuality). The average age to come out is 17 years old for...
Male homosexuality focuses on casual sex
Kinsey found that only 50% of the men in his sample were exclusively heterosexual. Many men (46%) were attracted towards other men even if...
Orientation is defined by who we are attracted to
The genes that cause us to be homosexual arise in random individuals throughout the population. Homosexuality is a completely harmless and natural orientation for...
Men cannot accept that women are unresponsive
Men’s experience of women is based on their observation of their lovers. Couples, even in long term relationships, do not discuss the details of...
Characteristics of low sexual responsiveness
Research indicates that single women are not nearly as promiscuous as single men. Most men engage in sexual activity, even if it is only...
Factors that are believed to affect male responsiveness
Factors that affect men’s orgasm frequencies include their age, the age at which they reached adolescence, as well as their level of education and...
Characteristics of high sexual responsiveness
As a boy grows into a man, he sees men bragging about their assumed success in providing a woman with amazing sexual pleasure. He...
Sexual responsiveness is a male characteristic
Male orgasm is not directly linked to reproduction, but ejaculation is required. The function of male orgasm is to trigger the ejaculation of sperm....
Responsiveness varies between individuals
We have no conscious control over our responsiveness. Our ability to enjoy eroticism is an instinctive and subconscious response. Our responsiveness is a factor...
Sexual responsiveness and orientation
Sexuality is about responsiveness and orientation, both of which are determined before we are born. Among the genes we inherit from our parents are...
Over time women often become focused on family
Female mammals are involved in grooming, feeding and affectionate play with their young. Female mammals are always smaller and more nervous than males. This...
Young women tend to focus on their attractiveness
A girl first becomes aware of herself as a sexual being when men start commenting on her breasts. The breasts develop from around 12.4...
At puberty girls develop a child-bearing capacity
From a young age, most girls demonstrate a more passive and timid personality than most boys. Girls often focus on social activities rather than...
Men tend to focus on opportunities for intercourse
Sex may not be the only reason men seek relationships with women, but it is the key reason. Men’s sex drive focuses them on...
Young men tend to focus on enjoying their arousal
Men are valued for their physical strength, their practical skills and their personal confidence (leaderships skills). Young men increase their muscle mass at puberty...
At puberty boys develop a reliable arousal cycle
From a young age, many boys already demonstrate a more active and outgoing personality than most girls. Boys enjoy physical activities such as sport...
The internal anatomy involved in reproduction
Our sex is determined by chromosomes. A man has an XY chromosome and a woman has an XX chromosome. There are other combinations (involving...
The female erectile sex organ (or phallus)
In the absence of testosterone, the genital tubercle forms the female phallus, called the clitoris. The clitoris consists of the glans and the internal...
The male erectile sex organ (or phallus)
A man’s sex organ (penis) is separate from his internal reproductive anatomy (testes and glands) but also integral. The penis has three main functions.
Firstly...
Human sexual anatomy and development
Sexuality is about appreciating the human body and sexual anatomy. We should understand the function of the male and female genitalia as well as...
The influence of religious beliefs on sexuality
Each culture has its own set of values. Some people consider these beliefs to be more important than others. While we are children, our...
Responsibility for contraception and abortion
The (contraceptive) pill, taken on a daily basis by a woman, contains hormones that stop her ovaries producing eggs. A condom, worn by the...
Intercourse involves reproductive risk for women
Men tend to focus on sexual pleasure so we often equate sexuality to responsiveness. Orgasm is certainly one erotic pleasure that motivates a person...
Intercourse needs to continue until ejaculation
A man is biologically motivated to impregnate a woman through an on-going process of demonstrating his virility (as a potent male who may be...
Intercourse is the heterosexual lovemaking act
When a man and a woman are attracted to each other, intercourse feels very natural. This is no coincidence. The male and female body...
Why women feel inadequate about their bodies
Given women’s dislike of genitals, many of the terms for the female genitals come from men and are considered obscene by women. Rather than...
Why men feel inadequate over penis size
Men’s sexual role (after impregnating women) is to protect the family. In an aggressive situation a man must be physically large and muscular to...
How the male and female sexual roles differ
Primitive life, such as bacteria, reproduce asexually. But most animals and plants reproduce sexually. Offspring inherit genes from both parents. Even in plants, the...
Diversity: our sex, our personality and our gender
Sexuality includes our sex, our personality and our gender. The reason we have two sexes is for diversity. Some people like being different. They...
Reproduction involves more than just intercourse
Sexuality is about reproduction. But human reproduction involves much more than intercourse. The distinct male and female roles are apparent from nature. The female...
Men have typically led the research into sexuality
Sigmund Freud, the Austrian psychologist (1856 to 1939), was the first scientist of note to talk of female sexuality. Freud’s methods were based on...