The stomata of Origanum majorana( Maruva ) plant

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The stomata is a tiny opening or pore that is used for gas exchange.They are mostly present on the under-surface of plant leaves. In stomata, there is the chlotoplast, a cell wall , a vacuole and a cell nucleus . Air enters the plant through these openings.The poreis formed by a pair known as guard cells. These adjust the size of the opening by opening or closing. To open a guard cells ,protons( Hydrogen ions,H+) are pumped into the guard cells .Water enters them, the cells get hard, and they push open. The arrangement of cells is in Zig-Zage form and in between stomata are presented.

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