Sex difference in men and women

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Sex is an essential part of the man-woman relationship. Particularly in the way that men and women perceive sex as being very different. Although the physiological process underlying sex and sexual arousal in both genders is the same, the subjective sexual experience in males and women is quite different. While men will love to have sex, not minding certain conditions, women love to do it only when the conditions are right. This is a stereotype, but how true is it?
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Sex Differences, Gender, and Competitive Sport

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Sex differences in pain perception

Sex differences in humans have been studied in a variety of fields. In humans, biological sex consists of five factors present at birth: the presence or absence of the SRY gene an intronless sex-determining gene on the Y chromosome , the type of gonads , the sex hormones , the internal reproductive anatomy such as the uterus , and the external genitalia. Phenotypic sex refers to an individual's sex as determined by their internal and external genitalia, expression of secondary sex characteristics, and behavior. The sex of the individual can be defined in different ways, giving rise to different conceptual frameworks about what determines sex.
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Gender differences in strength and muscle fiber characteristics

Skeleton bone size and sturdiness vary between the sexes. Bone structure differences start as early as childhood. In the majority of populations, men have larger and stronger bone and joint surfaces, and more bone at muscle attachment sites.
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Most of us have been raised with pretty simplistic ideas about sex and gender. Namely, that there are two sexes, male and female, and that they align with two genders, man and woman. But with the increased visibility of transgender, gender non-conforming, and nonbinary folks, many people are beginning to understand that the categories of sex and gender are far more complicated. Society typically tells us that there are two sexes: male and female.
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