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an allergic reaction that triggers the immune system causing constriction and inflammation of the respiratory tract resulting in wheezing and breathing difficulties.
the loss of water vapour from the aerial parts of a plant through stomata or lenticels.
ground tissue with thin-walled cells that makes up most of the plant body. These cells are used...
refers to any variation in the nucleotides, genes, chromosomes, or whole genomes of organisms....
an organ system that passes nutrients, gases, hormones, blood cells, etc. to and from cells in...
a hormone produced by the adrenal glands which helps to maintain the balance of sodium in the...