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MAN Energy Solutins
A man is an adult male human. Prior to adulthood, a male human is referred to as a boy (a male child or adolescent). Like most other male mammals, a man's genome usually inherits an X chromosome from the mother and a Y chromosome from the father. Sex differentiation of the male fetus is governed by the SRY gene on the Y chromosome. During puberty, hormones which stimulate androgen production result in the development of secondary sexual characteristics, thus exhibiting greater differences between the sexes. These include greater muscle mass, the growth of facial hair and a lower body fat composition. Male anatomy is distinguished from female anatomy by the male reproductive system, which includes the penis, testicles, sperm duct, prostate gland and the epididymis, and by secondary sex characteristics, including a narrower pelvis, narrower hips, and smaller breasts without mammary glands. Throughout human history, traditional gender roles have often defined an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Breast
The breast is one of two prominences located on the upper ventral region of a primate's torso. Both females and males develop breasts from the same embryological tissues. In females, it serves as the mammary gland, which produces and secretes milk to feed infants. Subcutaneous fat covers and envelops a network of ducts that converge on the nipple, and these tissues give the breast its size and shape. At the ends of the ducts are lobules, or clusters of alveoli, where milk is produced and stored in response to hormonal signals. During pregnancy, the breast responds to a complex interaction of hormones, including estrogens, progesterone, and prolactin, that mediate the completion of its development, namely lobuloalveolar maturation, in preparation of lactation and breastfeeding. Humans are the only animals with permanent breasts. At puberty, estrogens, in conjunction with growth hormone, cause permanent breast growth in female humans. This happens only to a much lesser ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Proto-Indo-European Language
Proto-Indo-European (PIE) is the reconstructed common ancestor of the Indo-European language family. Its proposed features have been derived by linguistic reconstruction from documented Indo-European languages. No direct record of Proto-Indo-European exists. Far more work has gone into reconstructing PIE than any other proto-language, and it is the best understood of all proto-languages of its age. The majority of linguistic work during the 19th century was devoted to the reconstruction of PIE or its daughter languages, and many of the modern techniques of linguistic reconstruction (such as the comparative method) were developed as a result. PIE is hypothesized to have been spoken as a single language from 4500 BC to 2500 BC during the Late Neolithic to Early Bronze Age, though estimates vary by more than a thousand years. According to the prevailing Kurgan hypothesis, the original homeland of the Proto-Indo-Europeans may have been in the Pontic–Caspian steppe of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Intersex
Intersex people are individuals born with any of several sex characteristics including chromosome patterns, gonads, or genitals that, according to the Office of the United Nations High Commissioner for Human Rights, "do not fit typical binary notions of male or female bodies". Sex assignment at birth usually aligns with a child's anatomical sex and phenotype. The number of births with ambiguous genitals is in the range of 1:2000–1:4500 (0.022%–0.05%). Other conditions involve atypical chromosomes, gonads, or hormones. Some persons may be assigned and raised as a girl or boy but then identify with another gender later in life, while most continue to identify with their assigned sex. The number of births where the baby is intersex has been reported differently depending on who reports and which definition of intersex is used. Anne Fausto-Sterling and her co-authors suggest that the prevalence of "nondimorphic sexual development" might be as high as 1.7%. A study publish ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sex Assignment
Sex assignment (sometimes known as gender assignment) is the discernment of an infant's sex at or before birth. A relative, midwife, nurse or physician inspects the external genitalia when the baby is delivered and, in more than 99.95% of births, sex is assigned without ambiguity. Assignment may also be done prior to birth through prenatal sex discernment. The sex assignment at or before birth usually aligns with a child's anatomical sex and phenotype. The number of births where the baby is intersex—where they do not fit into typical definitions of male and female at birth—has been reported to be as low as 0.018%, but is often estimated at around 0.2%. The number of births with ambiguous genitals is in the range of 0.02% to 0.05%. These conditions may complicate sex assignment. Other intersex conditions involve atypical chromosomes, gonads or hormones. Reinforcing sex assignments through surgical or hormonal interventions is often considered to violate the individual's huma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gender Identity
Gender identity is the personal sense of one's own gender. Gender identity can correlate with a person's assigned sex or can differ from it. In most individuals, the various biological determinants of sex are congruent, and consistent with the individual's gender identity. Gender expression typically reflects a person's gender identity, but this is not always the case. While a person may express behaviors, attitudes, and appearances consistent with a particular gender role, such expression may not necessarily reflect their gender identity. The term ''gender identity'' was coined by psychiatry professor Robert J. Stoller in 1964 and popularized by psychologist John Money. In most societies, there is a basic division between gender attributes assigned to males and females, a gender binary to which most people adhere and which includes expectations of masculinity and femininity in all aspects of sex and gender: biological sex, gender identity, and gender expression. Some people do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trans Man
A trans man is a man who was assigned female at birth. The label of transgender man is not always interchangeable with that of transsexual man, although the two labels are often used in this way. ''Transgender'' is an umbrella term that includes different types of gender variant people (including transsexual people). Trans men have a male gender identity, and many trans men choose to undergo surgical or hormonal transition, or both (see sex reassignment therapy), to alter their appearance in a way that aligns with their gender identity or alleviates gender dysphoria. Although the literature indicates that most trans men identify as heterosexual (meaning they are sexually attracted to women), trans men, like cisgender men, can have any sexual orientation or sexual identity, and some trans men might consider conventional sexual orientation labels inadequate or inapplicable to them, in which case they may elect to use labels like ''queer.'' Terminology The umbrella te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Violence Against Men
Violence against men is a term for violent acts that are disproportionately or exclusively committed against men or boys. Men are over-represented as both perpetrators and victims of violence. Perceptions and aspects Studies of social attitudes show violence is perceived as more or less serious depending on the gender of victim and perpetrator. Reporting on violence against men shows disparities; people are less likely to report a man hitting another man to the police than a man hitting a woman. Male law enforcement officers show a greater reluctance to file charges or reports when a man is the victim of domestic violence. The use of stereotypes by law enforcement is a recognised issue, and international law scholar Solange Mouthaan argues that, in conflict scenarios, sexual violence against men has been ignored in favor of a focus on sexual violence against women and children. One explanation for this difference in focus is the physical power that men hold over women, making ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Forced Circumcision
Forced circumcision is the circumcision of men and children against their will. In a biblical context, the term is used especially in relation to Paul the Apostle and his polemics against the circumcision controversy in early Christianity. Forced circumcisions have occurred in a wide range of situations, most notably in the compulsory conversion of non-Muslims to Islam and the forced circumcision of Teso, Turkana and Luo men in Kenya, as well as the abduction of South African teenage boys to so-called circumcision schools ("bush schools"). In South Africa, custom allows uncircumcised Xhosa-speaking men past the age of circumcision (i.e., 25 years or older) to be overpowered by other men and forcibly circumcised. Routine infant circumcisions performed in Global North countries such as the United States and Canada are also classified as forced circumcisions, even if performed in a clinical setting. Any circumcision performed on a minor is considered forced circumcision due to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Life Expectancy
Life expectancy is a statistical measure of the average time an organism is expected to live, based on the year of its birth, current age, and other demographic factors like sex. The most commonly used measure is life expectancy at birth (LEB), which can be defined in two ways. ''Cohort'' LEB is the mean length of life of a birth cohort (all individuals born in a given year) and can be computed only for cohorts born so long ago that all their members have died. ''Period'' LEB is the mean length of life of a hypothetical cohort assumed to be exposed, from birth through death, to the mortality rates observed at a given year. National LEB figures reported by national agencies and international organizations for human populations are estimates of ''period'' LEB. In the Bronze Age and the Iron Age, human LEB was 26 years; in 2010, world LEB was 67.2 years. In recent years, LEB in Eswatini (formerly Swaziland) is 49, while LEB in Japan is 83. The combination of high infant mor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mortality Rate
Mortality rate, or death rate, is a measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time. Mortality rate is typically expressed in units of deaths per 1,000 individuals per year; thus, a mortality rate of 9.5 (out of 1,000) in a population of 1,000 would mean 9.5 deaths per year in that entire population, or 0.95% out of the total. It is distinct from "morbidity", which is either the prevalence or incidence of a disease, and also from the incidence rate (the number of newly appearing cases of the disease per unit of time). An important specific mortality rate measure is the crude death rate, which looks at mortality from all causes in a given time interval for a given population. , for instance, the CIA estimates that the crude death rate globally will be 7.7 deaths per 1,000 people in a population per year. In a generic form, mortality rates can be seen as calculated using (d/ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conscription
Conscription (also called the draft in the United States) is the state-mandated enlistment of people in a national service, mainly a military service. Conscription dates back to antiquity and it continues in some countries to the present day under various names. The modern system of near-universal national conscription for young men dates to the French Revolution in the 1790s, where it became the basis of a very large and powerful military. Most European nations later copied the system in peacetime, so that men at a certain age would serve 1–8 years on active duty and then transfer to the reserve force. Conscription is controversial for a range of reasons, including conscientious objection to military engagements on religious or philosophical grounds; political objection, for example to service for a disliked government or unpopular war; sexism, in that historically men have been subject to the draft in the most cases; and ideological objection, for example, to a perceived vio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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