A stoma (plural stomata) is a tiny opening on the underside of a leaf used for the exchange of gasses. They take in carbon dioxide (CO2) while releasing water (H2O) and oxygen (O2). This process is essential to a plant’s growth facilitating photosynthesis.

Learn all about stomata:

• The Structure And Function Of Stomata

More plant parts:

Flower | Chloroplasts | Chlorophyll | Cola | Calyx | Pistil | Pollen | Pollen sacs | Trichomes | Stem | Node | Fan leaves | Sugar leaves