Specialized cells of the dermal system in plants that function in gas exchange are called stomata.
The little apertures known as stomata are found on the epidermis of leaves. Stomata are visible under a light microscope. Stomata can be found on the stems and other portions of various plants. In gaseous exchange and photosynthesis, stomata are crucial. Through opening and closing, they regulate the rate of transpiration.
The stomata are made up of tiny pores termed stoma that are encircled by two guard cells. The turgidity of guard cells determines how frequently stomata open and close. The pore's surrounding cell wall is resilient and adaptable. Both monocots and dicots typically have different guard cell shapes, but the mechanism is the same in both. Guard cells have chloroplasts and are shaped like beans. They absorb light and have chlorophyll in them.
Hence, stomata cell plays role in gaseous exchange.
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