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proteins that identify and neutralise foreign and potentially harmful antigens by binding onto them. They are found in blood plasma.
small fluid-filled sacs that store, transport, or digest cellular products and waste.
animals that lack a cavity between the digestive tract and the outer body wall.
the second biological classification group (taxon) that is divided into phyla (for animals) or...
Linnaeus' two-part name system; the first name of the organism is the genus to which it belongs...