How does our stomach deal with all that acid?
You’re wondering now how it’s possible that your body can keep all that acid in and not suffer…
54. Your stomach lining is constantly being replaced
Well, wonder no more: your stomach lining is actually constantly being dissolved by that very same acid.
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But your body is replacing it with a new stomach lining. In fact, it does it so well that you never feel the difference.
53. The largest cell in the human body
Our body is made up of all kinds of cells – some big, but many smaller.
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Can you guess the biggest one? Well, it’s actually the female egg. It’s actually the only cell that is visible to the human eye.
52. And the smallest…
It is the male sperm cell. It’s true what they say about opposites then, eh?
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