If you've got a brain, you probably know what your brain does... but do you know the function of your TONSILS? And have you ever even thought about what your gallbladder is doing all day?! We've all got these internal organs, but most of us don't even know what their function is. Watch to learn the purpose of these essentials aspects of your human biology.

This probability comparison/comparison video is based on relevant sources and community discussions. All numbers and facts listed might not be up to date, valid, or in any specific order.

Sources: https://pastebin.com/TEvbZ2MV

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