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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.
a type of nuclear division during which somatic cells divide into new cells for growth or to...
unicellular fungi, most of which reproduce asexually by a process called budding.
a leaf with certain areas that lack chlorophyll. The leaf therefore contains both green and non-...