how many blood groups are there - #35891
I am really confused about something I've been learning lately and thought maybe someone here can help me out. I remember reading somewhere that when it comes to blood, there’s like this big talk about blood groups. I mean, how many blood groups are there actually? I was at a family gathering, and my cousin mentioned they found out their blood type was AB, which got me thinking about what that even means! Last week, I got my blood tested for some routine stuff and they mentioned something about blood groups too, but honestly, I wasn't paying much attention. Now I’m just curious, cause I started wondering if these blood groups, like A, B, AB, and O, are the only ones or if there’s more? Also, what's the deal with this Rh factor thing? Does that count as a separate group or is it part of those four main ones? It’s kinda stressing me out, as I feel like I should understand this more — you know, just in case for any emergencies! I really hope someone can explain how many blood groups are there and maybe clear up if there’s anything else that’s important to know about them! Super thankful in advance for any info, thanks!!!
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