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The exception is sub-Saharan Africa, where more females than males are infected. Adult males are more likely to be diagnosed with tuberculosis. Some other sex-related health differences include: Anterior cruciate ligament (ACL) injuries, especially in basketball, occur more often in females than in males. [142]
Cases where the male is larger than the female have been studied as well, [136] and require alternative explanations. One example of this type of sexual size dimorphism is the bat Myotis nigricans, (black myotis bat) where females are substantially larger than males in terms of body weight, skull measurement, and forearm length. [137]
Estrogens cause higher levels of fat to be stored in a female body than in a male body. [12] [13] They also affect body fat distribution, [14] causing fat to be stored in the buttocks, thighs, and hips in women, [15] [16] but generally not around their waists, which will remain about the same size as they were before puberty.
In a 1995 study, black men were more likely than white men to use the words "big" or "large" to describe their conception of an attractive woman's posterior. [235] In a 2009 experiment to research what South African, British white and British African men considered to be the most attractive size of posterior and breasts for white and black women.
On the season four premiere of "My Big Fat American Gypsy Wedding," dress designer extraordinaire Sondra Celli made history by creating the biggest, fattest wedding dress the show has ever seen.
After puberty, hips are generally wider than shoulders. However, not all females adhere to this stereotypical pattern of secondary sex characteristics. [13] Males and females generally have the same hormones, but blood concentrations and site sensitivity differs between males and females.
On this (latter) metric, the most attractive ratio of leg to body for men (as seen by American women) is 1:1, [12] matching the 'four heads:four heads' ratio above. A Japanese study using the former metric found the same result for male attractiveness but women with longer legs than body were judged to be more attractive. [13]
In both males and females, the sex organs consist of two structures: the internal genitalia and the external genitalia. In males, the gonads are the testicles and in females, they are the ovaries . These are the organs that produce gametes (egg and sperm), the reproductive cells that will eventually meet to form the fertilized egg ( zygote ).