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Today we are going to talk about the evolution of the cell.

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This is a cell of a brain.

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When you have many cells, it is transformed into a tissue.

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And when you have many tissues, it is transformed into a fire.

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When you have many organs, you do a system.

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And when you have many systems, you have an animal.

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In this case, it's a chicken.

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Bye bye!

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Bye bye!