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Respiratory root 444 Fests, , » When the quantity of oxygen is low in soil, then some root comes out from the soil and, helps in respiration., , ey Fe i, 1 smatoghore, A we | Breumat, , Hl i Preumatophore, fai, , , , , Normal root, , »In marshy/swampy areas, scarcity of, oxygen is found. Some branches of tap, root of the plants which grow in this, region, grow vertically upward and comes, on surface., , cota aat Bao eee or ceatt Bilt 8 er ael eo, , these roots are called pneumatophores, which have minute pores called, pneumathodes or lenticels by which air, enters in the plant and plant gets oxygen, for respiration., , , , wEg. Rhizophora, Heritiera, (Mangrove, plants).