Inside every growing plant tip, thin strands of young cells are getting ready for a big job. The procambium will become the plant's pipes!
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Just behind a growing plant tip, there are strands of long, skinny, young cells. They are called procambium (say it: pro-KAM-bee-um).
Procambium cells are alive, with thin walls. They line up in strands that run along the young stem, root, or leaf, like threads in a rope.
Press Cut it open on the 3D model to see the strands inside the young shoot.
As the tip grows, procambium cells turn into the plant's first pipes:
In many plants, some procambium cells stay young. They later become a thin growing layer that lets stems get thicker.
Press Become pipes to see water pipes (blue) and sugar pipes (orange) form.
The veins you can see in a leaf started out as procambium strands when the leaf was tiny!
By SciShow Kids. A fun video for kids.
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