Examlex
Some lymphocytes can survive as long as __________.
Incentive
Something that motivates or encourages someone to take a particular action.
Motive
A psychological feature that arouses an organism to action toward a desired goal; the reason for the action.
Drive
An innate, biologically determined urge to attain a goal or satisfy a need.
Ghrelin Protein
A hormone produced mainly by the stomach that stimulates appetite and signals the brain to increase food intake.
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