what are the biological differences between a man and a woman?
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Generally, females have two X chromosomes in their pair, while males have one X and one Y chromosome. A gene on the Y chromosome is responsible for the cascade of developmental events that cause bodies and brains to take on male characteristics.
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['Man is born with vulnerabilities. ... ', 'Life by nature presented both males and females. ... ', "The woman is man's greatest weakness, his desire is to please himself and be adored. ... ", 'The man has his weaknesses and hides some of them as they are part of his insecurities and inability to express his feelings.']
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Differences between male and female skin. Male skin is about 25 percent thicker than that of a woman's. A man's skin thins gradually with age, whereas a woman's skin thickness remains constant until about mid 40s; after menopause female skin will thin at a significant rate. Men have a higher collagen density than women ...
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In general terms, “sex” refers to the biological differences between males and females, such as the genitalia and genetic differences. “Gender” is more difficult to define, but it can refer to the role of a male or female in society, known as a gender role, or an individual's concept of themselves, or gender identity.
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Gender refers to socially constructed differences between men and women, whereas Sex refers to biological differences between men and women. ... Development analysts have recognized now for several decades the need to ensure that gender is examined and integrated into development projects.
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Overall, male and female body mass index charts are different in the BMI figures. Men tend to have higher figures than women, while women are allowed to have slightly more fat.
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Primary and secondary sexual characteristics refer to specific physical traits that set apart males and females in sexually dimorphic species; that is, species in which the males and females look different from each other. Primary sexual characteristics are there from birth (for example, penises vs. vaginas).
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['No menstrual periods.', 'A lot of body and facial hair.', 'Lots of acne.', 'Hair loss.', 'Fertility problems.', "Other traits usually found in men, including a deep voice, lack of breasts, male pattern baldness, and a large Adam's apple.", 'More muscle.']
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(The more highly developed musculature in men marks the skeleton more.) ... The most important difference between the male and female skeletons is found at the level of the pelvis. The female pelvis is adapted for gestation: it is not as high and is proportionately wider than that of the male.
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The World Health Organisation regional office for Europe describes sex as characteristics that are biologically defined, whereas gender is based on socially constructed features. They recognise that there are variations in how people experience gender based upon self-perception and expression, and how they behave.
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Although a person's sex as male or female stands as a biological fact that is identical in any culture, what that specific sex means in reference to a person's gender role as a woman or a man in society varies cross culturally according to what things are considered to be masculine or feminine.
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Men are, in general, more muscular than women. Women are just over half as strong as men in their upper bodies, and about two-thirds as strong in their lower bodies. ... While the male metabolism burns calories faster, the female metabolism tends to convert more food to fat.
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Tissues and hormones Women generally have a higher body fat percentage than men, whereas men generally have more muscle tissue mass. Women usually have lower blood pressure than men, and women's hearts beat faster, even when they are asleep. Men and women have different levels of certain hormones.
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Is there a difference between men's and women's abs? Both sexes have a genetic predetermination for the number of packs they can achieve. However, women require more body fat than men.
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Differences Between Men's and Women's Hearts Size: By ratio, a woman's heart and some of its chambers are smaller. Density: The walls that divide some of the chambers are thinner, and the veins are finer. Function: A woman's heart pumps faster than a man's, but a man's heart ejects more blood with each pump.
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A person with XX chromosomes usually has female sex and reproductive organs, and is therefore usually assigned biologically female. A person with XY chromosomes usually has male sex and reproductive organs, and is therefore usually assigned biologically male.
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In general sense Man refers to the masculine gender specifically and Human would refer to both men and women.