Why do we have two kidneys but no two hearts/liver/..? /u/Bad_at_life_TM No such thing as stupid questions

It’s so usefull that with two kidneys we kinda have a “backup” igran in case something goes wrong with ne of them, but why don’t we have more “failsafes” in our body?

submitted by /u/Bad_at_life_TM
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​r/NoStupidQuestions It’s so usefull that with two kidneys we kinda have a “backup” igran in case something goes wrong with ne of them, but why don’t we have more “failsafes” in our body? submitted by /u/Bad_at_life_TM [link] [comments] 

It’s so usefull that with two kidneys we kinda have a “backup” igran in case something goes wrong with ne of them, but why don’t we have more “failsafes” in our body?

submitted by /u/Bad_at_life_TM
[link] [comments] 

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