viscus - a main organ that is situated inside the body
organ - a fully differentiated structural and functional unit in an
animal that is specialized forsome particular function
those in the abdominalcavity); "`viscera' is the plural form of `viscus'"
substances from the blood and dischargesthem
liver - large and complicated reddish-brown glandular organ located
in the upper right portion of the
abdominalcavity; secretes bile and functions in metabolism of protein
and carbohydrate and fat; synthesizes substancesinvolved in the
clotting of the blood; synthesizes vitamin A; detoxifies poisonous
substances and breaks downworn-out erythrocytes
sternum and between the lungs; itsrhythmic contractions move the
blood through the body; "he stood still, his heart thumping wildly"
saclike organ of the alimentary canal; theprincipal organ of digestion
stomach and the anus
hindgut - the caudal part of the alimentary canal in vertebrate
embryos
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