What is the difference in usage between poem and poetry?

Drag the tiles to the boxes to form correct pairs. match each of ulysses's characteristics as an epic hero to an event in homer's odyssey. ulysses conceives of a plan to blind the cyclops. ulysses shouts out his name to the cyclops while leaving the island. jove orders calypso to allow ulysses to continue on his journey home. neptune raises storms to throw ulysses's ship off course. place event faces obstacles set by supernatural foes arrowright possesses human frailties and flaws arrowright receives from supernatural friends arrowright is braver and smarter than a typical man arrowright

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What happens to lovers when there are decreased levels of serotonin in the brain?