race goes a bit more than that, there are slight variations in bone structure and stuff like that because of their genetics
i even would maybe even go so far as to say that maybe races think slightly differently. but i don't really think one race is inherently like noticeably or much smarter than an other in like a significant way, just that there could be differences, like i think it's a hasty generalization to say that humans are all exactly identical except in just one way and that one way happens to be very visible from the outside, like if our skin changes due to our genetics, why couldn't the rest our body also change from that
(https://www.iflscience.com/ai-can-identify-race-from-just-xrays-and-scientists-have-no-idea-how-63717
(although the article calls this racist, which I disagree with)