The exchange surface on a leaf is called stomata, which are little holes through which carbon dioxide diffuses in, and oxygen and water vapor diffuse out.
La superficie de intercambio en una hoja se llama estoma, que son pequeños orificios por donde el dióxido de carbono entra y el oxígeno y el vapor de agua salen.
| Front | What is contained in the exchange surface on a leaf? |
|---|---|
| Back | It is covered in little holes called stomata which carbon dioxide diffuses in through. Oxygen and water vapour also diffuse out through stomata. |
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