Biological Differences in Males and Females You Didn’t Know About

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Selected by: Aashie Hassan

We all know that men and women are different from each other. That much is solidly within the world of fact. And many of those differences stem from our biology. We all know this, but what exactly are those biological differences, apart from the obvious ones? Well, fortunately for us, doctors and scientists study things such as these. In healthcare, it is critically important to distinguish between men and women because they need different types of attention. From drug doses to emotional support, there are varying needs in every department which is why doctors and scientists study this so thoroughly. They have to make sure that both men and women receive the best level of care.
These are the differences that you were never aware of. They’re not obvious, but they exist. And they define at least a little bit of the difference between male and female. So, without further ado, these are some Biological Differences Between Men And Women That Aren’t Commonly Known!
1. Most babies born with birth defects are male. If a female has a defect, she still has another copy of that X chromosome.
2. Veins in males tend to be larger
3. Males are 4 times more likely to be autistic than females.
4. Females tend to have more vertical foreheads, while males’ foreheads tend to be sloped.
5. In males, fat gets deposited between organs. In females, it forms a ring around the abdomen. This is why you can typically tell someone’s gender from an MRI and why liposuction (i.e. a type of cosmetic surgery that removes fat from the human body in an attempt to change its shape) is easier in females.
6. Males have longer eyelashes on average.
7. The first finger of a female’s hand is usually longer than the third. With males it’s usually the other way.
8. Only females can pass mitochondrial diseases to their offspring.
9. Males are 3 to 10 times more likely to stutter.
10. Females are significantly better at distinguishing between shades of various colours than males.
11. Blood flow is more evenly distributed in the male body. In females it is concentrated around core organs and the pelvic region.
12. Females tend to have a broader face than males.
13. The external occipital protuberance (the bump on the back of your skull) is bigger in males than in females.
14. The male jaw bone is heavier than the female jaw bone.
15. Women tend to gather a greater proportion of their energy from aerobic respiration; men tend to spend more time in anaerobic respiration, relatively speaking.
16.  The top edge of the eye socket is much sharper in females than in males.
17.  Females have better peripheral vision than males, while males are typically better at scanning. This is thought to have evolutionary origins (hunters vs. gatherers).
18. During heart attacks, males experience the "classic" symptoms like chest and jaw pain, while for females the symptoms can be quite diverse. In fact, it can often be confused for heart burn.
19. Females' blood contains more water and about 20% less red cells.
20. Although female brains are better at many other tasks, male brains are geared towards giving them better spacial cognition.