what is the difference between a male and female skeleton?
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The female skeleton is generally less massive, smoother, and more delicate than the male; its rib cage is more rounded and smaller, its lumbar curve greater, and a generally longer and smaller female waist results from the chest being more narrow at the base, and the pelvis generally not as high.
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The differences between male and female sexes are anatomical and physiological. “Sex” tends to relate to biological differences. ... However, women have higher levels of estrogen and progesterone, and men have higher levels of testosterone. The male/female split is often seen as binary, but this is not entirely true.
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Size is the most obvious difference between the male and female wasps. Females are larger than the males because they carry the eggs. Due to this extra baggage, their abdomen is usually fatter and fuller.
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Males usually have longer chins than females. There often is a sharp angle in between a male's jaw and chin, providing the chin a square appearance. Male chins usually have a flat base, whereas female chins are more pointed. Males have heavier, wider jaws than females.
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Several characteristics can be used to distinguish males from females: 1) males have patches of rough scales on the inside of the hind legs that are used to grasp the female's carapace during mating; 2) more skin is in between the seams of the scutes on the male's plastron; 3) the tails of males are longer, thicker, ...
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The most noticeable physical difference between male and female magpies is the coloration of the white hoods located on their necks and the backs of their heads. On male magpies, the hood is a vibrant white throughout; the hood on female magpies is grayish toward the bottom.
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Women have a much greater risk of developing osteoporosis. Men's skeleton tends to grow larger, stronger and more dense. Peak bone mass is higher and lose less overall. At approx 25 years of age we hit peak bone mass.
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When viewed in profile, female skulls have a rounded forehead (frontal bone). Male frontal bones are less rounded and slope backwards at a gentler angle. This ridge along the brow is prominent in males and much smoother in females.
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Male orcas are much larger and heavier than females, growing as long as 32 feet and weighing 11 tons, while females grow up to 28 feet in length but tip the scales at 7 tons. The size of the dorsal fin is also a strong indication of gender. ... The flippers of adult males are also longer and broader than those of females.
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Females are usually wider around and grow to be 20-40 cm long, while males are usually thinner and grow to be 15-30 cm long. Examine the posterior end of the worm. Female worms are straight while males are hooked. ... A male worm has pineal spicules, or spine-like extensions, near its opening.
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The key difference between male and female kangaroo is that male kangaroo does not have a pouch while female kangaroo has a pouch. Kangaroo is an iconic species, native to Australia. They are the largest marsupials in body size.
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There is a difference between the carapace size of female and male tortoises; females have longer shells than males. ... Irregularities may also occur in which a male is particularly large and a female is small. In this way, both would coincide in a certain size despite the difference in sexes.
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MALE BONES ARE BIGGER AND STRONGER, in both size and density. Peak male bone mass is around 50% more than women's, and women lose bone faster as we age.
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While we all have the same 22 bones in our skulls, their size and shape are different depending on sex and racial heritage. A trained artist, anatomist, or anthropologist can tell the difference in a single glance.
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Males in general have denser, stronger bones, tendons, and ligaments. Female skulls and head bones differ in size and shape from the male skull, with the male mandible generally wider, larger, and squarer than the female.
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On a female, there is little or no separation between the sternites. On a male, there is a membrane between the sternites that houses the male copulatory organ, or the male beetle's sexual organ. The membrane is between the sternites and is lighter than the sternites. Confirm the shape of the sternite.
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The male's head is broader between the eyes and forehead, whereas the female's forehead forms a sharper angle. These disparities are more pronounced on adult elephants than younger elephants, where it can be more challenging to identify these nuances. Female and male Asian elephants can have small tusks.