Ancient Greek philosopher Aristotle viewed laughter as “a bodily exercise precious to health.” But ¬¬¬_____some claims to the contrary, laughing probably has little influence on physical filness Laughter does _____short-term changes in the function of the heart and its blood vessels, ____ heart rate and oxygen consumption But because hard laughter is difficult to ____, a good laugh is unlikely to have _____ benefits the way, say, walking or jogging does.

____, instead of straining muscles to build them, as exercise does, laughter apparently accomplishes the ____, studies dating back to the 1930’s indicate that laughter. muscles,

Such bodily reaction might conceivably help____the effects of psychological stress.Anyway,the act of laughing probably does produce other types of ______feedback,that improve an individual’s emotional state. ______one classical theory of emotion,our feelings are partially rooted _______ physical reactions. It was argued at the end of the 19th century that humans do not cry ______they are sad but they become sad when te tears begin to flow.

Although sadness also _______ tears,evidence suggests that emotions can flow _____ muscular responses.In an experiment published in 1988,social psychologist Fritz.