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a muscular structure on the floor of the mouth of most vertebrates, which manipulates food for mastication by mixing the food with the saliva. It is the primary organ of taste and, in humans, a secondary function is to assist in the production of certain sounds.
in plants: the structure within a seed that will develop into the new plant.
the sheet-like muscle found below the ribcage that plays a vital role in breathing.
the transfer of pollen from the anther to the stigma of the same plant (self-pollination) or of...
mostly columnar epithelium with cilia that line the nasal cavity, trachea, bronchi, fallopian...
an injection of a weakened or dead pathogen into the body to build up immunity against a disease...