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the active maintenance of the correct balance of water and solutes in the blood and tissue fluid.
atmospheric gases, especially carbon dioxide, methane, nitrous oxide, ozone and water vapour,...
a substance, usually a liquid, in which other substances can dissolve.
ground tissue with thin-walled cells that makes up most of the plant body. These cells are used...
minute pores in the epidermis of a leaf or stem which allows for movement of gases and water...
the forming new plants asexually (without the production of seeds or spores).