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a large organ that plays an important role in nutrition.
list of questions or statements that are used to classify or identify a living organism.
the sheet-like muscle found below the ribcage that plays a vital role in breathing.
a substance, usually a liquid, in which other substances can dissolve.
Linnaeus' two-part name system; the first name of the organism is the genus to which it belongs...
this muscle 'opens' or straightens the joint when it contracts (so the angle between the two...