

(2) A functionally similar fluid flowing in the bodies of many animals (e.g. hemolymph in insects).


In humans and other vertebrates, the blood is pumped through the body by the heart, and appears bright-red when hemoglobin is oxygenated. Its major functions include the following:

Word origin: Old English blōd, Proto-Germanic *blodam, of uncertain origin.

Compare: hemolymph

Related terms:

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