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Every living creature on earth, from ants to zebras, from woodworm to whales, began life just like you as a single tiny cell. | |
| What are cells? |
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Cells are the "building blocks" of life. Your body is made of zillions and zillions of them. Each one is so tiny you can't even see it with a magnifying glass. You need a special instrument called a microscope. | |
| When you look at cells under a very powerful lens, you can distinctly see hundreds of them. With the most powerful lens you can see a single cell. |  |
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But how did you grow from just one cell?... |
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