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ZhouDa t1_j0wc5f8 wrote on December 19, 2022 at 10:16 PM

Reply to comment by marmorset in TIL that The sex of birds is determined by the Z and W sex chromosomes, rather than by the X and Y chromosomes present in mammals. Male birds have two Z chromosomes (ZZ), and female birds have a W chromosome and a Z chromosome (WZ). by treeofliife

Wait, how are a woman's knees different than a man's knees?

PM_UR_NUMBER_IN_HEX t1_j0wd5mp wrote on December 19, 2022 at 10:23 PM

According to https://mountainview-hospital.com/newsletter/women-weaker-in-the-knees-than-men.dot the angle is sharper due the wider hips

Clear_Flower_4552 t1_j0xk5jy wrote on December 20, 2022 at 3:47 AM

There are lots of structural differences like that. These differences contribute to female athletes being much more prone to certain injuries.

“Gender Differences Mean More Knee Injuries for Women“

https://www.cedars-sinai.org/blog/gender-differences-knee-injuries.html