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BookmarkLaughter is the biological reaction of humans to moments or occasions of humor: an outward expression of amusement.
Laughter is subcategorised into various groupings depending upon the extent and pitch of the laughter: giggles, clicks (which can be almost silent), chortles, chuckles, hoots, cackles, sniggers and guffaws are all types of laughter.
Smiling may be considered a mild silent form of laughter.
Some studies indicate that laughter differs depending upon the gender of the laughing person: women tend to laugh in a more "sing-song" way, while men more often grunt or snort..
For more information about the topic Laughter, read the full article at Wikipedia.org, or see the following related articles:
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