Most babies born with birth defects are male. If a female is born with a birth defect she still has another copy of that x chromosome.
Veins in males tend to be larger.
Males are four times more likely to be autistic than females.
Females tend to have more vertical foreheads while male foreheads tend to be sloped.
In males, fat gets deposited between the body organs. In females it runs a ring around the abdomen. This is why you can typically can tell a persons sex from an MRI and why liposuction is easier for females.
Males on average have longer eyelashes than women.
The first finger on a female’s hand is longer than the third. On a man it’s reversed.
Only females can pass on mitochondrial diseases to their children. The mitochondrial is known as the power-house of the cell.
Males are 3 to 10 times more likely to stutter.
Although both sexes lose hearing on either end of the spectrum, males tend to lose more high-pitched sounds, while females lose more low-pitched sounds.
Females are significantly better at distinguishing shades of color than males.
Blood flow is more evenly distributed in the male body. In the female, blood flow is distributed mainly around the core organs and the pelvic region.
There are about a 1000 gene differences in the liver for men and women. Men and women metabolize everything from alcohol to Tylenol at different rates.
Females tend to have a broader face than males.
The external occipital protuberance or bump at the back of the skull is larger in males.
The male jawbone is heavier than the females jawbone.
Male IQ studies show a wider deviation of IQ than women. There are many more males that are either genius or mentally-handicapped than women.
Women tend to gather more of their energy from aerobic respiration. Men gather theirs from anaerobic respiration.
The top of the eye socket is much sharper in women than in men.
Females have better peripheral vision than males. While males are typically better are scanning the horizon. This is thought to have evolutionary origins. Hunter vs. Gatherer.
During heart attacks males experience more classical symptoms such as chest pain and jaw pain, while females symptoms are more diverse. In a female, a heart attack can often be confused with heartburn.
Women’s blood contains more water than males and about 20% less red blood cells.
Although woman’s brains are better at many tasks, the male’s brain is geared to giving them better “spatial recognition.”
Females tend to get more motion sickness than males, especially if they are pregnant.
Men die of more diseases than women, except for breast cancer and female reproductive organ diseases.
