Eli5 Why do we have two kidneys if we only need one?
In: Biology
The simple answer is that sure, we don’t NEED two kidneys, but only having one doesn’t make you “healthy”. It makes you “alive”.
Think of it in terms of “system requirements” on computer games. Usually a company will list two sets of specs. The first one is “Minimum requirements”. Sure, these specs will work, but it’s probably gonna be a shitty experience. But then, they list the “Recommended” specs. So these specs are more than is absolutely needed to play the game but it’ll be a lot smoother and efficient experience.
Source: Had a kidney infection that got out of control last year.
Do you want one beer or two? You only need one, but its better if you have two
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